Ergonomic High Back Mesh Office Chair with 4D Headrest & Flip-Up Arms


Color: Grey
Price:
Sale price$144.99
Stock:
In stock, ready to be shipped

Description

Upgrade your workday with this high-back ergonomic mesh office chair, engineered for personalized spinal support and workspace flexibility. Combining an advanced 4D adjustable headrest, a dual-direction adjustable lumbar cushion, and 90-degree flip-up padded armrests, it delivers targeted neck and lower back relief. Featuring high-density breathable mesh, a smooth 135-degree recline mechanism, and an SGS-certified Class 3 gas lift, it transitions seamlessly from intense desk work to relaxing breaks.

Key Features

  • Advanced 4D Adjustable Headrest: Customizes your neck support with 3.5" of vertical height adjustment, 1.2" of front-to-back depth, and multi-angle rotation to contour seamlessly to your cervical spine.
  • Dual-Adjustable Lumbar Support: Features 1.2" of vertical height travel and 1.0" of forward/backward depth adjustment via an integrated tension knob, allowing precise lumbar alignment to relieve lower back strain.
  • Space-Saving 90° Flip-Up Arms: Padded armrests flip up 90 degrees to instantly convert the chair into an armless design, giving you unhindered arm movement for hobbies and allowing the chair to slide fully under desks.
  • Breathable Mesh & 135° Recline: High-density, tear-resistant mesh back promotes active ventilation, while the multi-function mechanism locks upright at 90° for tasks or tilts smoothly up to 135° for resting.
  • Certified Heavy-Duty Build: Equipped with an SGS-certified Class 3 explosion-proof gas cylinder with 4.0" of smooth height adjustment, a 27" reinforced star base, and 360-degree silent smooth-rolling casters rated for up to 330 lbs.

Specifications

  • Overall Dimensions: 27.00" W x 25.00" D x 46.50"–50.50" H (Adjustable)
  • Seat & Cushion: 19.50" W x 20.50" D x 18.50"–22.50" H (4" Gas Lift Range, 3.00" Cushion Thickness)
  • Adjustable Range: Headrest: 3.5" Height & 1.2" Depth, Lumbar: 1.2" Height & 1.0" Depth
  • Weight Capacity & Build: 330 lbs; Breathable Mesh Back, SGS-Certified Class 3 Gas Lift, Reinforced Heavy-Duty Base

Note: All measurements are manually taken; a tolerance of 1–2 inches may apply.

Shipping
All orders ship free from our U.S. warehouse within 2 business days.

*For more details, please see our Shipping Policy.

Return & Exchange
Eligible items can be returned or exchanged within 30 days of purchase. Customer must provide product photos/videos and packaging status.

Fees
· Chairus covers return costs for quality issues.
· For non-quality issues, return costs are the buyer’s responsibility.
· Additional fees apply for returns of assembled products.

Non-returnable items
· Clearance items
· Resale items
· Products without original packaging

How to return or exchange?
· Email us at care@chairus.com with your order number and reason (include photos/videos for quality issues).
· We’ll confirm any fees and send you a return label.
· Once the item is received and inspected, we’ll issue a refund or ship a replacement.

*For more details, please see our Return & Exchange.

Fabric Quality Test Results

Test Item Our Test Result International Standard Customer Benefit
Colour Fastness to Light Grade 4–5 Grade ≥ 4 Resistant to fading under light
Colour Fastness to Perspiration
(acid & alkaline)
Grade 4–5 Grade ≥ 3-4 No discoloration from sweat
Colour Fastness to Rubbing
(dry & wet)
Grade 4–5 Grade ≥ 3-4 No color transfer to clothes
Colour Fastness to Water Grade 4–5 Grade ≥ 3–4 Colors stay vibrant after cleaning
Abrasion Resistance
(Martindale)
30,000+ Rubs ≥ 20,000 Rubs Strong durability for daily use
Fabric Propensity to Surface Pilling, Fuzzing or Matting
(after 5000 revolutions)
Grade 4–5 Grade ≥ 3 Smooth surface, no fuzzing

Experience fabric that goes beyond international standards — engineered to be fade resistant, ultra-durable, and built for everyday comfort. Designed with pet owners in mind, it’s scratch-resistant, minimizes hair adhesion, and stays looking fresh no matter what life brings.

  • Linen/Velvet: Vacuum regularly; blot spills gently with a clean cloth. Avoid harsh scrubbing.
  • PU/Leatherette: Wipe with a damp cloth and mild soap. Avoid alcohol-based cleaners.
  • Wood/Metal Legs: Dust with a soft cloth. Wipe clean as needed and dry immediately.
  • Avoid: Direct sunlight, heat sources, or dragging the product.
  • Check Regularly: Tighten screws or bolts to keep your furniture sturdy.

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