High Back Ergonomic Mesh Office Chair – 400 lbs, 4D Flip-Up Arms, Adjustable Lumbar & 3D Headrest

Built for marathon desk sessions of 8+ hours, this high-back ergonomic mesh office chair delivers precision-adjustable full-body support to keep you comfortable and productive throughout the workday. Featuring an 8-level micro-adjustable lumbar system, 4D flip-up armrests, a 3D adjustable headrest, and a three-position locking recline backrest, every component is engineered to adapt to your body and posture needs.

Supported by an SGS-certified leak-proof gas lift and a heavy-duty stainless steel base rated for up to 400 lbs, this swivel desk chair is BIFMA X5.1 certified for long-term structural reliability. Silent PU caster wheels provide smooth, floor-safe mobility, and the chair assembles in approximately 30 minutes. Backed by a 5-year warranty with complimentary part replacements.

Key Features

• 8-level micro-adjustable lumbar support — 2" range targeting the L1–L5 spinal region, reducing lower-back pressure by up to 50%
• 4D flip-up armrests — wide, soft, non-peeling surface; flip up 90° to maximize desk space
• 3D adjustable headrest — height and depth adjustable for personalized neck and head support (fits 5'5"–6'2")
• 3-position locking recline — backrest locks at 90°, 110°, or 125° for work, relaxed, and break modes
• Aerovith Mesh seat — continuous airflow design increases support by 30% and reduces pelvic pressure by 20%
• SGS-certified leak-proof gas lift — prevents sudden sinking, ensures smooth and secure height adjustment
• Heavy-duty stainless steel base — supports up to 400 lbs with stable, wobble-free performance
• Silent PU caster wheels — smooth, quiet rolling on hard floors and carpet without leaving marks
• BIFMA X5.1 certified — meets industry standards for office seating durability and safety
• 5-year warranty — includes complimentary part replacements for long-term peace of mind

Materials & Construction

The seat is crafted from exclusive Aerovith Mesh fabric for breathability and enhanced support. The armrests feature a soft, non-peeling surface for lasting comfort. The reinforced frame and stainless steel base are built for heavy-duty, long-term use. Silent PU wheels protect all floor types from scratches and marks.

Product Dimensions

Individual Measurements

Usage Scenarios

Ideal for home offices, corporate workstations, executive desks, study rooms, and any environment requiring extended hours of seated work. The 400 lb weight capacity, BIFMA certification, and 5-year warranty make this chair a reliable long-term investment for professional and commercial use. Available in Gray and Black to suit a variety of workspace aesthetics.