Dark grey ergonomic office chair with mesh back and adjustable headrest, centrally placed in a modern open-plan office with rows of white desks and computers.
Dark grey high-back ergonomic mesh office chair with adjustable arms and a matching mesh headrest, contoured backrest, and five-wheel swivel base, shown on a white background.
Dark grey mesh office chair with integrated headrest and adjustable arms, shown with UK flag and certification details including GREENGUARD, GRS, BIFMA, EN1335-2, and EN717-1 compliance, 150kg weight capacity, and 5-year warranty.
Line drawing of a high-back ergonomic office chair with adjustable arms and headrest, annotated with full technical dimensions in millimetres including seat, back, and arm measurements.

Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: Head-to-Toe Support

The Cobolt Dark Grey Chair with Headrest is the ultimate evolution of our technical mesh range. Supplied with Free UK Mainland Delivery, it combines industrial strength with comprehensive ergonomic support, ensuring comfort from your lumbar spine to your cervical vertebrae.

Reinforced for Reality

  • Glass Fibre Frame: Durability is non-negotiable. By infusing the polyamide frame with glass fibre, we create a structure that is immensely rigid and resistant to fatigue. This allows the chair to handle a 150kg (23.5 stone) load day in, day out.
  • Cervical Support: The addition of a height-adjustable headrest transforms the sitting experience. It allows you to rest your head while reclining to take a call or think, relieving the constant strain on neck muscles associated with desk work.

Intelligent Motion

  • Synchro-Tilt Dynamics: The seat and back move in a synchronised 2:1 ratio. This means for every 2 degrees you recline, the seat tilts 1 degree. This opens the torso for better breathing and circulation while keeping your feet firmly grounded.
  • Auto-Tensioning: The chair intuitively "weighs" you when you sit. It automatically calibrates the recline tension to your body mass, providing a weightless floating sensation without the need for manual adjustment knobs.
  • Adaptable Arms: Height-adjustable armrests allow you to find the perfect typing position, reducing the risk of Repetitive Strain Injury (RSI) in the wrists and shoulders.

The Cobolt Direct Advantage

  • Dual Certified Quality: This chair meets both EN1335 (Europe) and BIFMA (USA) standards. We stock this globally certified quality in the UK, ready for immediate dispatch.
  • Direct Value: By sourcing directly, we offer a high-spec chair with features like glass fibre reinforcement and auto-tension—usually found on chairs costing double—at a competitive price.
  • Certified Healthy: With Greenguard Certification, this chair is verified for low chemical emissions, contributing to a cleaner, safer office environment.

Key Technical Features: Specs & Capability

The Dark Grey Mesh Chair with Headrest is specified for intensive use. It delivers the 150kg Capacity and full spinal support required for 24/7 Control Rooms and Executive Suites.

  • 150kg Weight Capacity – Reinforced for heavy-duty use.
  • Adjustable Headrest – Critical neck and cervical support.
  • Glass Fibre Reinforced Frame – Superior structural rigidity.
  • Synchro-Tilt Mechanism – Ergonomic 2:1 recline ratio.
  • Auto-Tilt Tensioner – Weight-sensing automatic adjustment.
  • Multi-Adjustable Arms – Customisable arm height.
  • BIFMA & EN1335 Compliant – Dual-certified quality.
  • 5-Year Mechanical Warranty – Long-term reliability.
Warranty icon
5 Year Warranty
Free delivery icon
Free UK Delivery
UK Design icon
Proudly UK Design & Manufacturing

Cobolt Service & Ethos: Direct from the Experts

  • 50 Years of Heritage: We curate our range based on engineering integrity. We know that adding a headrest isn't just a luxury; for many users, it's a medical necessity to prevent neck strain during long shifts.
  • Technical Excellence: This chair meets the rigorous BIFMA X5.1 standard used in the US contract market, proving it is robust enough for the most demanding commercial environments.
  • In-House UK Support: Need help adjusting the headrest height? Our UK-based team is just a phone call away for the life of your product.
  • Logistics Expertise: We provide Free Standard Delivery (approx. 5 days), but for urgent requirements, we offer a Next Day Delivery upgrade at checkout.

Built for Safety. Certified for Quality.

  • Dual Global Standards: Meets both EN1335-2 (Europe) and BIFMA (USA). This rare dual certification is a mark of exceptional build quality and safety.
  • Chemical Safety: REACH and Greenguard certifications ensure the materials are free from harmful chemicals and emit low VOCs.
  • Anti-Shock Mechanism: Prevents the backrest from snapping forward violently when the tilt lock is released.
  • Warranty: We provide a 5-Year Warranty on all mechanical components (gas lift, mechanism, base, frame) and a 2-Year Warranty on the fabric and foam.
Max Weight
150kg
Feature
Headrest
Warranty
5 Years (Mech)
Specification
Details
Purpose / Benefit
Total Dimensions
665mm (W) x 630mm (D) x 1020-1080mm (H)
Full ergonomic fit
Seat Dimensions
515mm (W) x 445mm (D) x 440-500mm (H)
Generous seating area
Back Dimensions
470mm (W) x 560mm (H)
High back support
Headrest
Height Adjustable
Neck support
Mechanism
Synchro-Tilt with Auto-Tension
Dynamic movement
Frame Material
Glass Fibre Reinforced Polyamide
High strength
Upholstery
Dark Grey Mesh / Fabric
Breathable comfort
Certifications
BIFMA, EN1335-2, REACH, Greenguard
Global standards
Weight Capacity
150kg
Heavy-duty use
Warranty
5 Years (Mech) / 2 Years (Fabric)
Comprehensive cover

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.

Expert Advice: The Dark Grey Chair with Headrest

Q: Is the headrest adjustable?

A: Yes. The headrest is height-adjustable. You can slide it up or down to ensure it sits perfectly in the curve of your neck, providing vital support when you recline.

Q: What is "Glass Fibre Reinforced"?

A: Standard chairs use simple plastic. We infuse our polyamide frame with glass fibre, creating a composite material that is significantly stiffer and stronger. This allows the chair to support 150kg without creaking.

Q: What is "Synchro-Tilt"?

A: Synchro-tilt keeps your feet on the floor while you recline. The backrest moves further than the seat (2:1 ratio), which opens up your hip angle for better circulation, unlike a basic rocking chair mechanism.

Q: How does the "Auto-Tensioner" work?

A: The chair automatically senses your weight when you sit. It then adjusts the recline resistance to match your mass, so you get perfect support without needing to adjust manual knobs.

Q: Are the arms adjustable?

A: Yes. The armrests are height-adjustable (650-700mm range), allowing you to align them with your desk to prevent shoulder strain.

Q: Is it suitable for 8-hour use?

A: Yes. The combination of lumbar support, breathable mesh, and the headrest makes it ideal for full-time 8-hour workdays.

Q: What does the warranty cover?

A: You get a 5-Year Warranty on all mechanical parts (gas lift, mechanism, base, frame) and a 2-Year Warranty on the fabric and foam.

Q: Can I get Next Day Delivery?

A: Yes. Standard delivery is Free (approx. 5 days), but for urgent needs, a Next Day Delivery upgrade is available at checkout.

Overview

Product Overview: Head-to-Toe Support

The Cobolt Dark Grey Chair with Headrest is the ultimate evolution of our technical mesh range. Supplied with Free UK Mainland Delivery, it combines industrial strength with comprehensive ergonomic support, ensuring comfort from your lumbar spine to your cervical vertebrae.

Reinforced for Reality

  • Glass Fibre Frame: Durability is non-negotiable. By infusing the polyamide frame with glass fibre, we create a structure that is immensely rigid and resistant to fatigue. This allows the chair to handle a 150kg (23.5 stone) load day in, day out.
  • Cervical Support: The addition of a height-adjustable headrest transforms the sitting experience. It allows you to rest your head while reclining to take a call or think, relieving the constant strain on neck muscles associated with desk work.

Intelligent Motion

  • Synchro-Tilt Dynamics: The seat and back move in a synchronised 2:1 ratio. This means for every 2 degrees you recline, the seat tilts 1 degree. This opens the torso for better breathing and circulation while keeping your feet firmly grounded.
  • Auto-Tensioning: The chair intuitively "weighs" you when you sit. It automatically calibrates the recline tension to your body mass, providing a weightless floating sensation without the need for manual adjustment knobs.
  • Adaptable Arms: Height-adjustable armrests allow you to find the perfect typing position, reducing the risk of Repetitive Strain Injury (RSI) in the wrists and shoulders.

The Cobolt Direct Advantage

  • Dual Certified Quality: This chair meets both EN1335 (Europe) and BIFMA (USA) standards. We stock this globally certified quality in the UK, ready for immediate dispatch.
  • Direct Value: By sourcing directly, we offer a high-spec chair with features like glass fibre reinforcement and auto-tension—usually found on chairs costing double—at a competitive price.
  • Certified Healthy: With Greenguard Certification, this chair is verified for low chemical emissions, contributing to a cleaner, safer office environment.

Features & Benefits

Key Technical Features: Specs & Capability

The Dark Grey Mesh Chair with Headrest is specified for intensive use. It delivers the 150kg Capacity and full spinal support required for 24/7 Control Rooms and Executive Suites.

  • 150kg Weight Capacity – Reinforced for heavy-duty use.
  • Adjustable Headrest – Critical neck and cervical support.
  • Glass Fibre Reinforced Frame – Superior structural rigidity.
  • Synchro-Tilt Mechanism – Ergonomic 2:1 recline ratio.
  • Auto-Tilt Tensioner – Weight-sensing automatic adjustment.
  • Multi-Adjustable Arms – Customisable arm height.
  • BIFMA & EN1335 Compliant – Dual-certified quality.
  • 5-Year Mechanical Warranty – Long-term reliability.
Warranty icon
5 Year Warranty
Free delivery icon
Free UK Delivery
UK Design icon
Proudly UK Design & Manufacturing

Cobolt Service & Ethos: Direct from the Experts

  • 50 Years of Heritage: We curate our range based on engineering integrity. We know that adding a headrest isn't just a luxury; for many users, it's a medical necessity to prevent neck strain during long shifts.
  • Technical Excellence: This chair meets the rigorous BIFMA X5.1 standard used in the US contract market, proving it is robust enough for the most demanding commercial environments.
  • In-House UK Support: Need help adjusting the headrest height? Our UK-based team is just a phone call away for the life of your product.
  • Logistics Expertise: We provide Free Standard Delivery (approx. 5 days), but for urgent requirements, we offer a Next Day Delivery upgrade at checkout.

Safety & Warranty

Built for Safety. Certified for Quality.

  • Dual Global Standards: Meets both EN1335-2 (Europe) and BIFMA (USA). This rare dual certification is a mark of exceptional build quality and safety.
  • Chemical Safety: REACH and Greenguard certifications ensure the materials are free from harmful chemicals and emit low VOCs.
  • Anti-Shock Mechanism: Prevents the backrest from snapping forward violently when the tilt lock is released.
  • Warranty: We provide a 5-Year Warranty on all mechanical components (gas lift, mechanism, base, frame) and a 2-Year Warranty on the fabric and foam.

Specification Dimensions

Max Weight
150kg
Feature
Headrest
Warranty
5 Years (Mech)
Specification
Details
Purpose / Benefit
Total Dimensions
665mm (W) x 630mm (D) x 1020-1080mm (H)
Full ergonomic fit
Seat Dimensions
515mm (W) x 445mm (D) x 440-500mm (H)
Generous seating area
Back Dimensions
470mm (W) x 560mm (H)
High back support
Headrest
Height Adjustable
Neck support
Mechanism
Synchro-Tilt with Auto-Tension
Dynamic movement
Frame Material
Glass Fibre Reinforced Polyamide
High strength
Upholstery
Dark Grey Mesh / Fabric
Breathable comfort
Certifications
BIFMA, EN1335-2, REACH, Greenguard
Global standards
Weight Capacity
150kg
Heavy-duty use
Warranty
5 Years (Mech) / 2 Years (Fabric)
Comprehensive cover

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

Expert Advice: The Dark Grey Chair with Headrest

Q: Is the headrest adjustable?

A: Yes. The headrest is height-adjustable. You can slide it up or down to ensure it sits perfectly in the curve of your neck, providing vital support when you recline.

Q: What is "Glass Fibre Reinforced"?

A: Standard chairs use simple plastic. We infuse our polyamide frame with glass fibre, creating a composite material that is significantly stiffer and stronger. This allows the chair to support 150kg without creaking.

Q: What is "Synchro-Tilt"?

A: Synchro-tilt keeps your feet on the floor while you recline. The backrest moves further than the seat (2:1 ratio), which opens up your hip angle for better circulation, unlike a basic rocking chair mechanism.

Q: How does the "Auto-Tensioner" work?

A: The chair automatically senses your weight when you sit. It then adjusts the recline resistance to match your mass, so you get perfect support without needing to adjust manual knobs.

Q: Are the arms adjustable?

A: Yes. The armrests are height-adjustable (650-700mm range), allowing you to align them with your desk to prevent shoulder strain.

Q: Is it suitable for 8-hour use?

A: Yes. The combination of lumbar support, breathable mesh, and the headrest makes it ideal for full-time 8-hour workdays.

Q: What does the warranty cover?

A: You get a 5-Year Warranty on all mechanical parts (gas lift, mechanism, base, frame) and a 2-Year Warranty on the fabric and foam.

Q: Can I get Next Day Delivery?

A: Yes. Standard delivery is Free (approx. 5 days), but for urgent needs, a Next Day Delivery upgrade is available at checkout.

Dark Grey High-Back Mesh Chair with Headrest (150kg Rated)

Product code: OC268DG
Achieve total ergonomic alignment with the Cobolt Dark Grey High-Back Ergonomic Mesh Chair with Headrest. Building on our high-performance glass fibre...

Inc VAT

Exc VAT

£384.00

£320.00

Type - With Headrest
Colour - Dark Grey

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Fast Tracked Dispatch Predictable. Reliable. Hassle-free.

UK Customer Support Expert guidance. Real people.

Trusted UK Supplier 50 years. Established. Reliable.

Free UK Mainland Delivery Clear. Upfront pricing.

Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: Head-to-Toe Support

The Cobolt Dark Grey Chair with Headrest is the ultimate evolution of our technical mesh range. Supplied with Free UK Mainland Delivery, it combines industrial strength with comprehensive ergonomic support, ensuring comfort from your lumbar spine to your cervical vertebrae.

Reinforced for Reality

  • Glass Fibre Frame: Durability is non-negotiable. By infusing the polyamide frame with glass fibre, we create a structure that is immensely rigid and resistant to fatigue. This allows the chair to handle a 150kg (23.5 stone) load day in, day out.
  • Cervical Support: The addition of a height-adjustable headrest transforms the sitting experience. It allows you to rest your head while reclining to take a call or think, relieving the constant strain on neck muscles associated with desk work.

Intelligent Motion

  • Synchro-Tilt Dynamics: The seat and back move in a synchronised 2:1 ratio. This means for every 2 degrees you recline, the seat tilts 1 degree. This opens the torso for better breathing and circulation while keeping your feet firmly grounded.
  • Auto-Tensioning: The chair intuitively "weighs" you when you sit. It automatically calibrates the recline tension to your body mass, providing a weightless floating sensation without the need for manual adjustment knobs.
  • Adaptable Arms: Height-adjustable armrests allow you to find the perfect typing position, reducing the risk of Repetitive Strain Injury (RSI) in the wrists and shoulders.

The Cobolt Direct Advantage

  • Dual Certified Quality: This chair meets both EN1335 (Europe) and BIFMA (USA) standards. We stock this globally certified quality in the UK, ready for immediate dispatch.
  • Direct Value: By sourcing directly, we offer a high-spec chair with features like glass fibre reinforcement and auto-tension—usually found on chairs costing double—at a competitive price.
  • Certified Healthy: With Greenguard Certification, this chair is verified for low chemical emissions, contributing to a cleaner, safer office environment.

Key Technical Features: Specs & Capability

The Dark Grey Mesh Chair with Headrest is specified for intensive use. It delivers the 150kg Capacity and full spinal support required for 24/7 Control Rooms and Executive Suites.

  • 150kg Weight Capacity – Reinforced for heavy-duty use.
  • Adjustable Headrest – Critical neck and cervical support.
  • Glass Fibre Reinforced Frame – Superior structural rigidity.
  • Synchro-Tilt Mechanism – Ergonomic 2:1 recline ratio.
  • Auto-Tilt Tensioner – Weight-sensing automatic adjustment.
  • Multi-Adjustable Arms – Customisable arm height.
  • BIFMA & EN1335 Compliant – Dual-certified quality.
  • 5-Year Mechanical Warranty – Long-term reliability.
Warranty icon
5 Year Warranty
Free delivery icon
Free UK Delivery
UK Design icon
Proudly UK Design & Manufacturing

Cobolt Service & Ethos: Direct from the Experts

  • 50 Years of Heritage: We curate our range based on engineering integrity. We know that adding a headrest isn't just a luxury; for many users, it's a medical necessity to prevent neck strain during long shifts.
  • Technical Excellence: This chair meets the rigorous BIFMA X5.1 standard used in the US contract market, proving it is robust enough for the most demanding commercial environments.
  • In-House UK Support: Need help adjusting the headrest height? Our UK-based team is just a phone call away for the life of your product.
  • Logistics Expertise: We provide Free Standard Delivery (approx. 5 days), but for urgent requirements, we offer a Next Day Delivery upgrade at checkout.

Built for Safety. Certified for Quality.

  • Dual Global Standards: Meets both EN1335-2 (Europe) and BIFMA (USA). This rare dual certification is a mark of exceptional build quality and safety.
  • Chemical Safety: REACH and Greenguard certifications ensure the materials are free from harmful chemicals and emit low VOCs.
  • Anti-Shock Mechanism: Prevents the backrest from snapping forward violently when the tilt lock is released.
  • Warranty: We provide a 5-Year Warranty on all mechanical components (gas lift, mechanism, base, frame) and a 2-Year Warranty on the fabric and foam.
Max Weight
150kg
Feature
Headrest
Warranty
5 Years (Mech)
Specification
Details
Purpose / Benefit
Total Dimensions
665mm (W) x 630mm (D) x 1020-1080mm (H)
Full ergonomic fit
Seat Dimensions
515mm (W) x 445mm (D) x 440-500mm (H)
Generous seating area
Back Dimensions
470mm (W) x 560mm (H)
High back support
Headrest
Height Adjustable
Neck support
Mechanism
Synchro-Tilt with Auto-Tension
Dynamic movement
Frame Material
Glass Fibre Reinforced Polyamide
High strength
Upholstery
Dark Grey Mesh / Fabric
Breathable comfort
Certifications
BIFMA, EN1335-2, REACH, Greenguard
Global standards
Weight Capacity
150kg
Heavy-duty use
Warranty
5 Years (Mech) / 2 Years (Fabric)
Comprehensive cover

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.

Expert Advice: The Dark Grey Chair with Headrest

Q: Is the headrest adjustable?

A: Yes. The headrest is height-adjustable. You can slide it up or down to ensure it sits perfectly in the curve of your neck, providing vital support when you recline.

Q: What is "Glass Fibre Reinforced"?

A: Standard chairs use simple plastic. We infuse our polyamide frame with glass fibre, creating a composite material that is significantly stiffer and stronger. This allows the chair to support 150kg without creaking.

Q: What is "Synchro-Tilt"?

A: Synchro-tilt keeps your feet on the floor while you recline. The backrest moves further than the seat (2:1 ratio), which opens up your hip angle for better circulation, unlike a basic rocking chair mechanism.

Q: How does the "Auto-Tensioner" work?

A: The chair automatically senses your weight when you sit. It then adjusts the recline resistance to match your mass, so you get perfect support without needing to adjust manual knobs.

Q: Are the arms adjustable?

A: Yes. The armrests are height-adjustable (650-700mm range), allowing you to align them with your desk to prevent shoulder strain.

Q: Is it suitable for 8-hour use?

A: Yes. The combination of lumbar support, breathable mesh, and the headrest makes it ideal for full-time 8-hour workdays.

Q: What does the warranty cover?

A: You get a 5-Year Warranty on all mechanical parts (gas lift, mechanism, base, frame) and a 2-Year Warranty on the fabric and foam.

Q: Can I get Next Day Delivery?

A: Yes. Standard delivery is Free (approx. 5 days), but for urgent needs, a Next Day Delivery upgrade is available at checkout.

Overview

Product Overview: Head-to-Toe Support

The Cobolt Dark Grey Chair with Headrest is the ultimate evolution of our technical mesh range. Supplied with Free UK Mainland Delivery, it combines industrial strength with comprehensive ergonomic support, ensuring comfort from your lumbar spine to your cervical vertebrae.

Reinforced for Reality

  • Glass Fibre Frame: Durability is non-negotiable. By infusing the polyamide frame with glass fibre, we create a structure that is immensely rigid and resistant to fatigue. This allows the chair to handle a 150kg (23.5 stone) load day in, day out.
  • Cervical Support: The addition of a height-adjustable headrest transforms the sitting experience. It allows you to rest your head while reclining to take a call or think, relieving the constant strain on neck muscles associated with desk work.

Intelligent Motion

  • Synchro-Tilt Dynamics: The seat and back move in a synchronised 2:1 ratio. This means for every 2 degrees you recline, the seat tilts 1 degree. This opens the torso for better breathing and circulation while keeping your feet firmly grounded.
  • Auto-Tensioning: The chair intuitively "weighs" you when you sit. It automatically calibrates the recline tension to your body mass, providing a weightless floating sensation without the need for manual adjustment knobs.
  • Adaptable Arms: Height-adjustable armrests allow you to find the perfect typing position, reducing the risk of Repetitive Strain Injury (RSI) in the wrists and shoulders.

The Cobolt Direct Advantage

  • Dual Certified Quality: This chair meets both EN1335 (Europe) and BIFMA (USA) standards. We stock this globally certified quality in the UK, ready for immediate dispatch.
  • Direct Value: By sourcing directly, we offer a high-spec chair with features like glass fibre reinforcement and auto-tension—usually found on chairs costing double—at a competitive price.
  • Certified Healthy: With Greenguard Certification, this chair is verified for low chemical emissions, contributing to a cleaner, safer office environment.

Features & Benefits

Key Technical Features: Specs & Capability

The Dark Grey Mesh Chair with Headrest is specified for intensive use. It delivers the 150kg Capacity and full spinal support required for 24/7 Control Rooms and Executive Suites.

  • 150kg Weight Capacity – Reinforced for heavy-duty use.
  • Adjustable Headrest – Critical neck and cervical support.
  • Glass Fibre Reinforced Frame – Superior structural rigidity.
  • Synchro-Tilt Mechanism – Ergonomic 2:1 recline ratio.
  • Auto-Tilt Tensioner – Weight-sensing automatic adjustment.
  • Multi-Adjustable Arms – Customisable arm height.
  • BIFMA & EN1335 Compliant – Dual-certified quality.
  • 5-Year Mechanical Warranty – Long-term reliability.
Warranty icon
5 Year Warranty
Free delivery icon
Free UK Delivery
UK Design icon
Proudly UK Design & Manufacturing

Cobolt Service & Ethos: Direct from the Experts

  • 50 Years of Heritage: We curate our range based on engineering integrity. We know that adding a headrest isn't just a luxury; for many users, it's a medical necessity to prevent neck strain during long shifts.
  • Technical Excellence: This chair meets the rigorous BIFMA X5.1 standard used in the US contract market, proving it is robust enough for the most demanding commercial environments.
  • In-House UK Support: Need help adjusting the headrest height? Our UK-based team is just a phone call away for the life of your product.
  • Logistics Expertise: We provide Free Standard Delivery (approx. 5 days), but for urgent requirements, we offer a Next Day Delivery upgrade at checkout.

Safety & Warranty

Built for Safety. Certified for Quality.

  • Dual Global Standards: Meets both EN1335-2 (Europe) and BIFMA (USA). This rare dual certification is a mark of exceptional build quality and safety.
  • Chemical Safety: REACH and Greenguard certifications ensure the materials are free from harmful chemicals and emit low VOCs.
  • Anti-Shock Mechanism: Prevents the backrest from snapping forward violently when the tilt lock is released.
  • Warranty: We provide a 5-Year Warranty on all mechanical components (gas lift, mechanism, base, frame) and a 2-Year Warranty on the fabric and foam.

Specification Dimensions

Max Weight
150kg
Feature
Headrest
Warranty
5 Years (Mech)
Specification
Details
Purpose / Benefit
Total Dimensions
665mm (W) x 630mm (D) x 1020-1080mm (H)
Full ergonomic fit
Seat Dimensions
515mm (W) x 445mm (D) x 440-500mm (H)
Generous seating area
Back Dimensions
470mm (W) x 560mm (H)
High back support
Headrest
Height Adjustable
Neck support
Mechanism
Synchro-Tilt with Auto-Tension
Dynamic movement
Frame Material
Glass Fibre Reinforced Polyamide
High strength
Upholstery
Dark Grey Mesh / Fabric
Breathable comfort
Certifications
BIFMA, EN1335-2, REACH, Greenguard
Global standards
Weight Capacity
150kg
Heavy-duty use
Warranty
5 Years (Mech) / 2 Years (Fabric)
Comprehensive cover

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

Expert Advice: The Dark Grey Chair with Headrest

Q: Is the headrest adjustable?

A: Yes. The headrest is height-adjustable. You can slide it up or down to ensure it sits perfectly in the curve of your neck, providing vital support when you recline.

Q: What is "Glass Fibre Reinforced"?

A: Standard chairs use simple plastic. We infuse our polyamide frame with glass fibre, creating a composite material that is significantly stiffer and stronger. This allows the chair to support 150kg without creaking.

Q: What is "Synchro-Tilt"?

A: Synchro-tilt keeps your feet on the floor while you recline. The backrest moves further than the seat (2:1 ratio), which opens up your hip angle for better circulation, unlike a basic rocking chair mechanism.

Q: How does the "Auto-Tensioner" work?

A: The chair automatically senses your weight when you sit. It then adjusts the recline resistance to match your mass, so you get perfect support without needing to adjust manual knobs.

Q: Are the arms adjustable?

A: Yes. The armrests are height-adjustable (650-700mm range), allowing you to align them with your desk to prevent shoulder strain.

Q: Is it suitable for 8-hour use?

A: Yes. The combination of lumbar support, breathable mesh, and the headrest makes it ideal for full-time 8-hour workdays.

Q: What does the warranty cover?

A: You get a 5-Year Warranty on all mechanical parts (gas lift, mechanism, base, frame) and a 2-Year Warranty on the fabric and foam.

Q: Can I get Next Day Delivery?

A: Yes. Standard delivery is Free (approx. 5 days), but for urgent needs, a Next Day Delivery upgrade is available at checkout.

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