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

Engineered for professionals who spend 8+ hours at a desk, this high back ergonomic mesh office chair delivers precision lumbar support, superior cooling, and a fully adjustable design built for long-duration comfort. With a 400 lb weight capacity, BIFMA X5.1 certification, and a 5-year warranty, this is a heavy-duty ergonomic chair built to last.

Key Features

• Micro-Adjustable Lumbar Support — 8-level, 2-inch vertical adjustment range precisely targets the L1–L5 lumbar spine, reducing lower back pressure by up to 50% and distributing weight evenly to minimize fatigue
• 4D Flip-Up Armrests — Wide, non-peeling soft armrests with 90° flip-up capability to maximize desk space and allow the chair to roll cleanly under the desk
• 3D Adjustable Headrest — Height and depth adjustable for personalized head and neck support, designed for users between 5’5” and 6’2”
• 3-Position Locking Backrest — Locks at 90°, 110°, or 125° to support focused work, relaxed reading, or resting positions
• Aerovith Mesh Seat — Enlarged seat cushion with continuous airflow mesh that enhances support by 30% and reduces pelvic pressure by 20%
• Leak-Proof SGS Gas Lift — Prevents accidental sinking and ensures stable, reliable height adjustment
• Stainless Steel Base — Heavy-duty base supports up to 400 lbs with silent PU caster wheels that protect all floor types
• 400 lb Weight Capacity — BIFMA X5.1 certified for structural reliability and long-term durability

Materials & Construction

Constructed with a breathable Aerovith mesh back and seat, a reinforced nylon frame, and a stainless steel base. The all-mesh design promotes continuous airflow to keep users cool during extended work sessions. Silent PU caster wheels provide smooth, floor-safe mobility across all surface types.

Ergonomic Benefits

Designed to support healthy posture and reduce physical strain for users sitting 8+ hours per day. The precision lumbar system, 3D headrest, and 4D armrests work together to address lower back pain, neck fatigue, shoulder tension, and pelvic pressure — making this chair ideal for remote workers, executives, and heavy-duty office use.

Seat Dimensions

Seat cushion measures 19.3”D x 20”W with a height range of 18.5”–22.05”. Suitable for users between 5’5” and 6’2” tall.

Ideal For

• Home office and remote work setups
• Executive and managerial office environments
• Computer workstations and long-duration desk work
• Heavy-duty ergonomic seating up to 400 lbs
• Users requiring precision lumbar and posture support

Assembly & Warranty

Assembles in approximately 30 minutes. Backed by a 5-year warranty with complimentary part replacements and dedicated customer support responding within 24 hours.

Product Dimensions

Product Specifications