Dark grey mesh office chair with adjustable armrests and five star swivel base positioned in a contemporary meeting room with conference table and matching chairs in the background.
Dark grey ergonomic office chair with breathable mesh backrest, adjustable armrests and five star swivel base with castors, suitable for modern office workstations.
Dark grey mesh ergonomic office chair made in the UK, featuring adjustable armrests, 150kg maximum capacity, five year warranty and EN1335 compliant design for professional office environments.
Dark Grey High-Back Ergonomic Mesh Office Chair with Adjustable Arms

Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: High-Capacity Dark Grey Ergonomic Seating

The OC267DG is a flagship ergonomic solution for users who demand superior adjustability and structural strength. Dispatched with Free UK Mainland Delivery, this Dark Grey model blends professional aesthetics with advanced glass-fibre reinforced construction.

Superior Structural Performance

  • 150kg Heavy-Duty Rating: Unlike standard office chairs, this model is engineered with a glass-fibre and polyamide frame to safely support higher weight loads, ensuring institutional longevity.
  • Professional 8-Hour Rating: Every component, from the high-density foam seat to the high-tension mesh back, is selected for its ability to provide consistent support through a full professional shift.
  • Certified Indoor Health: Greenguard and REACH certifications ensure the chair meets the strictest standards for low chemical emissions, maintaining a safe environment for your facility.

Advanced Synchro-Ergonomics

  • Coordinated Synchro-Tilt: The chair utilizes a 2:1 ratio tilt mechanism, ensuring your feet remain flat on the floor while you recline, maintaining proper ergonomic alignment and blood flow.
  • Multi-Adjustable Armrests: The armrests feature bespoke height and width adjustments, allowing users to align their forearms perfectly with their desk surface to prevent carpal tunnel strain.
  • Anti-Shock Safety: The integrated anti-shock system prevents the backrest from springing forward when the tilt lock is released, providing a smooth and safe user experience.

The Cobolt Guarantee

  • 50 Years of Expertise: We bring half a century of seating knowledge to our professional range, ensuring every chair meets rigorous BIFMA and EN1335 benchmarks.
  • Free UK Mainland Delivery: We simplify your procurement by offering full shipping coverage at no additional cost to your institution.
  • Tiered Protection: Enjoy a 5-year warranty on all mechanical components and a 2-year warranty on fabrics and foam for total lifecycle security.

Where is this High-Back Dark Grey Mesh Chair used?

The Dark Grey Ergonomic Mesh Chair is the preferred choice for Executive Management Offices, IT Control Rooms, Legal Administrative Suites, and Dedicated 24/7 Workstations. Its understated Dark Grey finish and high-back profile provide a commanding and professional presence in any senior office environment.

Key Features

  • Elite 150kg Weight Capacity – Reinforced glass-fibre and polyamide frame for heavy-duty use.
  • Synchro-Tilt Mechanism – Seamlessly coordinated seat and back movement for dynamic posture.
  • Multi-Adjustable Arms – Tailored armrest positioning for personalised upper-body support.
  • 8-Hour Usage Rating – Specifically engineered for full-day, high-intensity professional use.
  • Anti-Shock Mechanism – Safeguards the user during recline transitions and lock releases.
  • Breathable High-Back Mesh – Delivers full spinal support while encouraging airflow.
  • Auto-Tilt Tensioner – Responds intuitively to user mass for effortless reclining.
  • BIFMA & EN1335 Compliant – Certified to international safety and ergonomic standards.
Heavy Duty icon
150kg Max Weight Capacity
5 Year Warranty icon
5-year mechanical warranty
Free delivery icon
Free UK Mainland Delivery

Advanced Engineering. Professional Compliance.

  • Fully compliant with EN1335-2, the European standard for commercial office work chairs, ensuring safety and strength in all working conditions.
  • BIFMA Certified components guarantee the chair has passed extreme durability testing for load-bearing and mechanical longevity.
  • The Anti-Shock system is a premium safety feature that ensures the backrest only moves when you lean into it after unlocking, preventing sudden impacts.
  • Greenguard & REACH certifications provide verification that the chair is free from hazardous chemicals and safe for indoor air quality.
  • A Glass-Fibre Reinforced Polyamide frame offers significantly higher impact resistance than standard plastic alternatives found in domestic chairs.

The OC267DG is dimensioned for senior-level comfort and high-capacity use. Technical measurements are provided below.

Usage Rating
8 Hours
Weight Limit
150kg
Warranty
5 Years
Specification
Details
Benefit
Total Height Range
1020mm - 1080mm
High-back profile for full spinal alignment
Seat Height Range
440mm - 500mm
Precision gas lift for ergonomic leg positioning
Seat Dimensions
515mm(W) x 445mm(D)
Large seat pan for enhanced user comfort
Arm Height Range
650mm - 700mm
Multi-adjustable to prevent shoulder strain
Product Weight
14.55kg
Heavy-duty construction for daily stability

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 5 Working Days service.

For all other locations, please email help@coboltfurniture.co.uk for a quote.


  • Made to Order: Many of our products are manufactured specifically for your order. Because of this, returns depend on the product specifics and require prior permission from Cobolt Furniture.
  • Cancellations: We always endeavour to reduce cancellation costs. However, please note a partial or entire charge may be levied to cover material costs and administrative fees if a made-to-order line is cancelled.

FAQs: Heavy-Duty Dark Grey Ergonomic Chairs

Q1: What makes the "glass-fibre" frame better than standard plastic?

A: Standard plastic frames can flex or warp under heavy loads. Glass-fibre reinforcement adds significant rigidity and tensile strength, allowing this chair to safely support 150kg and preventing the "squeaking" often found in cheaper models.

Q2: How does the "synchro-tilt" improve my posture?

A: Synchro-tilt mechanisms ensure that the backrest reclines faster than the seat (2:1 ratio). This prevents the front edge of the seat from lifting your legs off the floor, keeping your circulation open and your posture grounded even when relaxing.

Q3: Why is BIFMA certification important?

A: BIFMA (Business and Institutional Furniture Manufacturers Association) standards are the toughest in the industry. Certification means the chair has passed rigorous tests for durability, safety, and structural performance in commercial environments.

Q4: What is the benefit of the "anti-shock" feature?

A: The anti-shock function is a safety lock. When you release the tilt lever, the backrest won't snap forward and hit you. You must lean back slightly to disengage the lock, allowing for a smooth and controlled return to the upright position.

Q5: Are the armrests adjustable for width as well as height?

A: Yes. The armrests are multi-adjustable. You can raise them to match your desk height and adjust their width to suit your body frame, ensuring your shoulders remain relaxed while typing.

Q6: Is the dark grey mesh breathable?

A: Absolutely. The high-tension mesh backrest allows for 360-degree airflow, preventing heat build-up against your back. This is essential for maintaining comfort during long 8-hour shifts.

Q7: Does this chair require assembly?

A: Yes, self-assembly is required. However, the chair comes with detailed instructions and all necessary tools. The modular design makes it straightforward to put together in approximately 15-20 minutes.

Q8: What parts are covered by the 5-year warranty?

A: The 5-year warranty covers all mechanical and structural components, including the glass-fibre frame, the synchro mechanism, and the gas lift. The fabric and foam are covered by a separate 2-year warranty.

Overview

Product Overview: High-Capacity Dark Grey Ergonomic Seating

The OC267DG is a flagship ergonomic solution for users who demand superior adjustability and structural strength. Dispatched with Free UK Mainland Delivery, this Dark Grey model blends professional aesthetics with advanced glass-fibre reinforced construction.

Superior Structural Performance

  • 150kg Heavy-Duty Rating: Unlike standard office chairs, this model is engineered with a glass-fibre and polyamide frame to safely support higher weight loads, ensuring institutional longevity.
  • Professional 8-Hour Rating: Every component, from the high-density foam seat to the high-tension mesh back, is selected for its ability to provide consistent support through a full professional shift.
  • Certified Indoor Health: Greenguard and REACH certifications ensure the chair meets the strictest standards for low chemical emissions, maintaining a safe environment for your facility.

Advanced Synchro-Ergonomics

  • Coordinated Synchro-Tilt: The chair utilizes a 2:1 ratio tilt mechanism, ensuring your feet remain flat on the floor while you recline, maintaining proper ergonomic alignment and blood flow.
  • Multi-Adjustable Armrests: The armrests feature bespoke height and width adjustments, allowing users to align their forearms perfectly with their desk surface to prevent carpal tunnel strain.
  • Anti-Shock Safety: The integrated anti-shock system prevents the backrest from springing forward when the tilt lock is released, providing a smooth and safe user experience.

The Cobolt Guarantee

  • 50 Years of Expertise: We bring half a century of seating knowledge to our professional range, ensuring every chair meets rigorous BIFMA and EN1335 benchmarks.
  • Free UK Mainland Delivery: We simplify your procurement by offering full shipping coverage at no additional cost to your institution.
  • Tiered Protection: Enjoy a 5-year warranty on all mechanical components and a 2-year warranty on fabrics and foam for total lifecycle security.

Features & Benefits

Where is this High-Back Dark Grey Mesh Chair used?

The Dark Grey Ergonomic Mesh Chair is the preferred choice for Executive Management Offices, IT Control Rooms, Legal Administrative Suites, and Dedicated 24/7 Workstations. Its understated Dark Grey finish and high-back profile provide a commanding and professional presence in any senior office environment.

Key Features

  • Elite 150kg Weight Capacity – Reinforced glass-fibre and polyamide frame for heavy-duty use.
  • Synchro-Tilt Mechanism – Seamlessly coordinated seat and back movement for dynamic posture.
  • Multi-Adjustable Arms – Tailored armrest positioning for personalised upper-body support.
  • 8-Hour Usage Rating – Specifically engineered for full-day, high-intensity professional use.
  • Anti-Shock Mechanism – Safeguards the user during recline transitions and lock releases.
  • Breathable High-Back Mesh – Delivers full spinal support while encouraging airflow.
  • Auto-Tilt Tensioner – Responds intuitively to user mass for effortless reclining.
  • BIFMA & EN1335 Compliant – Certified to international safety and ergonomic standards.
Heavy Duty icon
150kg Max Weight Capacity
5 Year Warranty icon
5-year mechanical warranty
Free delivery icon
Free UK Mainland Delivery

Safety & Warranty

Advanced Engineering. Professional Compliance.

  • Fully compliant with EN1335-2, the European standard for commercial office work chairs, ensuring safety and strength in all working conditions.
  • BIFMA Certified components guarantee the chair has passed extreme durability testing for load-bearing and mechanical longevity.
  • The Anti-Shock system is a premium safety feature that ensures the backrest only moves when you lean into it after unlocking, preventing sudden impacts.
  • Greenguard & REACH certifications provide verification that the chair is free from hazardous chemicals and safe for indoor air quality.
  • A Glass-Fibre Reinforced Polyamide frame offers significantly higher impact resistance than standard plastic alternatives found in domestic chairs.

Specification Dimensions

The OC267DG is dimensioned for senior-level comfort and high-capacity use. Technical measurements are provided below.

Usage Rating
8 Hours
Weight Limit
150kg
Warranty
5 Years
Specification
Details
Benefit
Total Height Range
1020mm - 1080mm
High-back profile for full spinal alignment
Seat Height Range
440mm - 500mm
Precision gas lift for ergonomic leg positioning
Seat Dimensions
515mm(W) x 445mm(D)
Large seat pan for enhanced user comfort
Arm Height Range
650mm - 700mm
Multi-adjustable to prevent shoulder strain
Product Weight
14.55kg
Heavy-duty construction for daily stability

Delivery & Returns

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 5 Working Days service.

For all other locations, please email help@coboltfurniture.co.uk for a quote.


  • Made to Order: Many of our products are manufactured specifically for your order. Because of this, returns depend on the product specifics and require prior permission from Cobolt Furniture.
  • Cancellations: We always endeavour to reduce cancellation costs. However, please note a partial or entire charge may be levied to cover material costs and administrative fees if a made-to-order line is cancelled.

Product FAQs

FAQs: Heavy-Duty Dark Grey Ergonomic Chairs

Q1: What makes the "glass-fibre" frame better than standard plastic?

A: Standard plastic frames can flex or warp under heavy loads. Glass-fibre reinforcement adds significant rigidity and tensile strength, allowing this chair to safely support 150kg and preventing the "squeaking" often found in cheaper models.

Q2: How does the "synchro-tilt" improve my posture?

A: Synchro-tilt mechanisms ensure that the backrest reclines faster than the seat (2:1 ratio). This prevents the front edge of the seat from lifting your legs off the floor, keeping your circulation open and your posture grounded even when relaxing.

Q3: Why is BIFMA certification important?

A: BIFMA (Business and Institutional Furniture Manufacturers Association) standards are the toughest in the industry. Certification means the chair has passed rigorous tests for durability, safety, and structural performance in commercial environments.

Q4: What is the benefit of the "anti-shock" feature?

A: The anti-shock function is a safety lock. When you release the tilt lever, the backrest won't snap forward and hit you. You must lean back slightly to disengage the lock, allowing for a smooth and controlled return to the upright position.

Q5: Are the armrests adjustable for width as well as height?

A: Yes. The armrests are multi-adjustable. You can raise them to match your desk height and adjust their width to suit your body frame, ensuring your shoulders remain relaxed while typing.

Q6: Is the dark grey mesh breathable?

A: Absolutely. The high-tension mesh backrest allows for 360-degree airflow, preventing heat build-up against your back. This is essential for maintaining comfort during long 8-hour shifts.

Q7: Does this chair require assembly?

A: Yes, self-assembly is required. However, the chair comes with detailed instructions and all necessary tools. The modular design makes it straightforward to put together in approximately 15-20 minutes.

Q8: What parts are covered by the 5-year warranty?

A: The 5-year warranty covers all mechanical and structural components, including the glass-fibre frame, the synchro mechanism, and the gas lift. The fabric and foam are covered by a separate 2-year warranty.

Dark Grey High-Back Ergonomic Mesh Office Chair with Adjustable Arms

Product code: OC267DG
Upgrade your executive or administrative workspace with the Dark Grey High-Back Ergonomic Mesh Office Chair. This precision-engineered task chair is d...

Inc VAT

Exc VAT

£329.00

£274.17

Colour - Dark Grey

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Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: High-Capacity Dark Grey Ergonomic Seating

The OC267DG is a flagship ergonomic solution for users who demand superior adjustability and structural strength. Dispatched with Free UK Mainland Delivery, this Dark Grey model blends professional aesthetics with advanced glass-fibre reinforced construction.

Superior Structural Performance

  • 150kg Heavy-Duty Rating: Unlike standard office chairs, this model is engineered with a glass-fibre and polyamide frame to safely support higher weight loads, ensuring institutional longevity.
  • Professional 8-Hour Rating: Every component, from the high-density foam seat to the high-tension mesh back, is selected for its ability to provide consistent support through a full professional shift.
  • Certified Indoor Health: Greenguard and REACH certifications ensure the chair meets the strictest standards for low chemical emissions, maintaining a safe environment for your facility.

Advanced Synchro-Ergonomics

  • Coordinated Synchro-Tilt: The chair utilizes a 2:1 ratio tilt mechanism, ensuring your feet remain flat on the floor while you recline, maintaining proper ergonomic alignment and blood flow.
  • Multi-Adjustable Armrests: The armrests feature bespoke height and width adjustments, allowing users to align their forearms perfectly with their desk surface to prevent carpal tunnel strain.
  • Anti-Shock Safety: The integrated anti-shock system prevents the backrest from springing forward when the tilt lock is released, providing a smooth and safe user experience.

The Cobolt Guarantee

  • 50 Years of Expertise: We bring half a century of seating knowledge to our professional range, ensuring every chair meets rigorous BIFMA and EN1335 benchmarks.
  • Free UK Mainland Delivery: We simplify your procurement by offering full shipping coverage at no additional cost to your institution.
  • Tiered Protection: Enjoy a 5-year warranty on all mechanical components and a 2-year warranty on fabrics and foam for total lifecycle security.

Where is this High-Back Dark Grey Mesh Chair used?

The Dark Grey Ergonomic Mesh Chair is the preferred choice for Executive Management Offices, IT Control Rooms, Legal Administrative Suites, and Dedicated 24/7 Workstations. Its understated Dark Grey finish and high-back profile provide a commanding and professional presence in any senior office environment.

Key Features

  • Elite 150kg Weight Capacity – Reinforced glass-fibre and polyamide frame for heavy-duty use.
  • Synchro-Tilt Mechanism – Seamlessly coordinated seat and back movement for dynamic posture.
  • Multi-Adjustable Arms – Tailored armrest positioning for personalised upper-body support.
  • 8-Hour Usage Rating – Specifically engineered for full-day, high-intensity professional use.
  • Anti-Shock Mechanism – Safeguards the user during recline transitions and lock releases.
  • Breathable High-Back Mesh – Delivers full spinal support while encouraging airflow.
  • Auto-Tilt Tensioner – Responds intuitively to user mass for effortless reclining.
  • BIFMA & EN1335 Compliant – Certified to international safety and ergonomic standards.
Heavy Duty icon
150kg Max Weight Capacity
5 Year Warranty icon
5-year mechanical warranty
Free delivery icon
Free UK Mainland Delivery

Advanced Engineering. Professional Compliance.

  • Fully compliant with EN1335-2, the European standard for commercial office work chairs, ensuring safety and strength in all working conditions.
  • BIFMA Certified components guarantee the chair has passed extreme durability testing for load-bearing and mechanical longevity.
  • The Anti-Shock system is a premium safety feature that ensures the backrest only moves when you lean into it after unlocking, preventing sudden impacts.
  • Greenguard & REACH certifications provide verification that the chair is free from hazardous chemicals and safe for indoor air quality.
  • A Glass-Fibre Reinforced Polyamide frame offers significantly higher impact resistance than standard plastic alternatives found in domestic chairs.

The OC267DG is dimensioned for senior-level comfort and high-capacity use. Technical measurements are provided below.

Usage Rating
8 Hours
Weight Limit
150kg
Warranty
5 Years
Specification
Details
Benefit
Total Height Range
1020mm - 1080mm
High-back profile for full spinal alignment
Seat Height Range
440mm - 500mm
Precision gas lift for ergonomic leg positioning
Seat Dimensions
515mm(W) x 445mm(D)
Large seat pan for enhanced user comfort
Arm Height Range
650mm - 700mm
Multi-adjustable to prevent shoulder strain
Product Weight
14.55kg
Heavy-duty construction for daily stability

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 5 Working Days service.

For all other locations, please email help@coboltfurniture.co.uk for a quote.


  • Made to Order: Many of our products are manufactured specifically for your order. Because of this, returns depend on the product specifics and require prior permission from Cobolt Furniture.
  • Cancellations: We always endeavour to reduce cancellation costs. However, please note a partial or entire charge may be levied to cover material costs and administrative fees if a made-to-order line is cancelled.

FAQs: Heavy-Duty Dark Grey Ergonomic Chairs

Q1: What makes the "glass-fibre" frame better than standard plastic?

A: Standard plastic frames can flex or warp under heavy loads. Glass-fibre reinforcement adds significant rigidity and tensile strength, allowing this chair to safely support 150kg and preventing the "squeaking" often found in cheaper models.

Q2: How does the "synchro-tilt" improve my posture?

A: Synchro-tilt mechanisms ensure that the backrest reclines faster than the seat (2:1 ratio). This prevents the front edge of the seat from lifting your legs off the floor, keeping your circulation open and your posture grounded even when relaxing.

Q3: Why is BIFMA certification important?

A: BIFMA (Business and Institutional Furniture Manufacturers Association) standards are the toughest in the industry. Certification means the chair has passed rigorous tests for durability, safety, and structural performance in commercial environments.

Q4: What is the benefit of the "anti-shock" feature?

A: The anti-shock function is a safety lock. When you release the tilt lever, the backrest won't snap forward and hit you. You must lean back slightly to disengage the lock, allowing for a smooth and controlled return to the upright position.

Q5: Are the armrests adjustable for width as well as height?

A: Yes. The armrests are multi-adjustable. You can raise them to match your desk height and adjust their width to suit your body frame, ensuring your shoulders remain relaxed while typing.

Q6: Is the dark grey mesh breathable?

A: Absolutely. The high-tension mesh backrest allows for 360-degree airflow, preventing heat build-up against your back. This is essential for maintaining comfort during long 8-hour shifts.

Q7: Does this chair require assembly?

A: Yes, self-assembly is required. However, the chair comes with detailed instructions and all necessary tools. The modular design makes it straightforward to put together in approximately 15-20 minutes.

Q8: What parts are covered by the 5-year warranty?

A: The 5-year warranty covers all mechanical and structural components, including the glass-fibre frame, the synchro mechanism, and the gas lift. The fabric and foam are covered by a separate 2-year warranty.

Overview

Product Overview: High-Capacity Dark Grey Ergonomic Seating

The OC267DG is a flagship ergonomic solution for users who demand superior adjustability and structural strength. Dispatched with Free UK Mainland Delivery, this Dark Grey model blends professional aesthetics with advanced glass-fibre reinforced construction.

Superior Structural Performance

  • 150kg Heavy-Duty Rating: Unlike standard office chairs, this model is engineered with a glass-fibre and polyamide frame to safely support higher weight loads, ensuring institutional longevity.
  • Professional 8-Hour Rating: Every component, from the high-density foam seat to the high-tension mesh back, is selected for its ability to provide consistent support through a full professional shift.
  • Certified Indoor Health: Greenguard and REACH certifications ensure the chair meets the strictest standards for low chemical emissions, maintaining a safe environment for your facility.

Advanced Synchro-Ergonomics

  • Coordinated Synchro-Tilt: The chair utilizes a 2:1 ratio tilt mechanism, ensuring your feet remain flat on the floor while you recline, maintaining proper ergonomic alignment and blood flow.
  • Multi-Adjustable Armrests: The armrests feature bespoke height and width adjustments, allowing users to align their forearms perfectly with their desk surface to prevent carpal tunnel strain.
  • Anti-Shock Safety: The integrated anti-shock system prevents the backrest from springing forward when the tilt lock is released, providing a smooth and safe user experience.

The Cobolt Guarantee

  • 50 Years of Expertise: We bring half a century of seating knowledge to our professional range, ensuring every chair meets rigorous BIFMA and EN1335 benchmarks.
  • Free UK Mainland Delivery: We simplify your procurement by offering full shipping coverage at no additional cost to your institution.
  • Tiered Protection: Enjoy a 5-year warranty on all mechanical components and a 2-year warranty on fabrics and foam for total lifecycle security.

Features & Benefits

Where is this High-Back Dark Grey Mesh Chair used?

The Dark Grey Ergonomic Mesh Chair is the preferred choice for Executive Management Offices, IT Control Rooms, Legal Administrative Suites, and Dedicated 24/7 Workstations. Its understated Dark Grey finish and high-back profile provide a commanding and professional presence in any senior office environment.

Key Features

  • Elite 150kg Weight Capacity – Reinforced glass-fibre and polyamide frame for heavy-duty use.
  • Synchro-Tilt Mechanism – Seamlessly coordinated seat and back movement for dynamic posture.
  • Multi-Adjustable Arms – Tailored armrest positioning for personalised upper-body support.
  • 8-Hour Usage Rating – Specifically engineered for full-day, high-intensity professional use.
  • Anti-Shock Mechanism – Safeguards the user during recline transitions and lock releases.
  • Breathable High-Back Mesh – Delivers full spinal support while encouraging airflow.
  • Auto-Tilt Tensioner – Responds intuitively to user mass for effortless reclining.
  • BIFMA & EN1335 Compliant – Certified to international safety and ergonomic standards.
Heavy Duty icon
150kg Max Weight Capacity
5 Year Warranty icon
5-year mechanical warranty
Free delivery icon
Free UK Mainland Delivery

Safety & Warranty

Advanced Engineering. Professional Compliance.

  • Fully compliant with EN1335-2, the European standard for commercial office work chairs, ensuring safety and strength in all working conditions.
  • BIFMA Certified components guarantee the chair has passed extreme durability testing for load-bearing and mechanical longevity.
  • The Anti-Shock system is a premium safety feature that ensures the backrest only moves when you lean into it after unlocking, preventing sudden impacts.
  • Greenguard & REACH certifications provide verification that the chair is free from hazardous chemicals and safe for indoor air quality.
  • A Glass-Fibre Reinforced Polyamide frame offers significantly higher impact resistance than standard plastic alternatives found in domestic chairs.

Specification Dimensions

The OC267DG is dimensioned for senior-level comfort and high-capacity use. Technical measurements are provided below.

Usage Rating
8 Hours
Weight Limit
150kg
Warranty
5 Years
Specification
Details
Benefit
Total Height Range
1020mm - 1080mm
High-back profile for full spinal alignment
Seat Height Range
440mm - 500mm
Precision gas lift for ergonomic leg positioning
Seat Dimensions
515mm(W) x 445mm(D)
Large seat pan for enhanced user comfort
Arm Height Range
650mm - 700mm
Multi-adjustable to prevent shoulder strain
Product Weight
14.55kg
Heavy-duty construction for daily stability

Delivery & Returns

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 5 Working Days service.

For all other locations, please email help@coboltfurniture.co.uk for a quote.


  • Made to Order: Many of our products are manufactured specifically for your order. Because of this, returns depend on the product specifics and require prior permission from Cobolt Furniture.
  • Cancellations: We always endeavour to reduce cancellation costs. However, please note a partial or entire charge may be levied to cover material costs and administrative fees if a made-to-order line is cancelled.

Product FAQs

FAQs: Heavy-Duty Dark Grey Ergonomic Chairs

Q1: What makes the "glass-fibre" frame better than standard plastic?

A: Standard plastic frames can flex or warp under heavy loads. Glass-fibre reinforcement adds significant rigidity and tensile strength, allowing this chair to safely support 150kg and preventing the "squeaking" often found in cheaper models.

Q2: How does the "synchro-tilt" improve my posture?

A: Synchro-tilt mechanisms ensure that the backrest reclines faster than the seat (2:1 ratio). This prevents the front edge of the seat from lifting your legs off the floor, keeping your circulation open and your posture grounded even when relaxing.

Q3: Why is BIFMA certification important?

A: BIFMA (Business and Institutional Furniture Manufacturers Association) standards are the toughest in the industry. Certification means the chair has passed rigorous tests for durability, safety, and structural performance in commercial environments.

Q4: What is the benefit of the "anti-shock" feature?

A: The anti-shock function is a safety lock. When you release the tilt lever, the backrest won't snap forward and hit you. You must lean back slightly to disengage the lock, allowing for a smooth and controlled return to the upright position.

Q5: Are the armrests adjustable for width as well as height?

A: Yes. The armrests are multi-adjustable. You can raise them to match your desk height and adjust their width to suit your body frame, ensuring your shoulders remain relaxed while typing.

Q6: Is the dark grey mesh breathable?

A: Absolutely. The high-tension mesh backrest allows for 360-degree airflow, preventing heat build-up against your back. This is essential for maintaining comfort during long 8-hour shifts.

Q7: Does this chair require assembly?

A: Yes, self-assembly is required. However, the chair comes with detailed instructions and all necessary tools. The modular design makes it straightforward to put together in approximately 15-20 minutes.

Q8: What parts are covered by the 5-year warranty?

A: The 5-year warranty covers all mechanical and structural components, including the glass-fibre frame, the synchro mechanism, and the gas lift. The fabric and foam are covered by a separate 2-year warranty.

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