Ergonomic Mesh Office Chair, Adjustable Lumbar High Back Desk Chair 400lbs, 4D Flip-up Arms, 3 Tilt Backrest, 3D Headrest, PU Wheels, Swivel Rolling Computer Seating for Long Desk Work - Grey Standard Grey

【60-MONTH FREE PARTS】Typically, each chair assembles easily in 30 minutes. Unhappy experience? Email us immediately, capot expert team will respond within 24 hours to ensure your satisfaction. Each chair features a 5-year warranty with complimentary part replacements to ensure your experience remains superior. 【FLEXBLE HEAD/BACKREST】Adjust the headrest in both height and depth for tailored head and neck support for individuals between 5'5" and 6'2". The backrest can be locked at 90, 110, or 125 degrees to suit your changing focus needs throughout the day. (Selecting the right chair is essential for prolonged comfort and consistent productivity). 【DETAIL-ORIENTED】Wide, non-peeling soft armrests and a 90° flip-up feature paired with silent PU wheels, allowing it to smoothly roll under the desk to maximize your workspace without leaving marks on the floor. 【RELIABLE BASE】The leak-proof SGS gas lift to prevent accidental sinking and ensure stable height adjustment, complemented by a durable stainless steel base that supports up to 400 lbs. 【LARGER, COOLER SEAT】The enlarged cushion (19.3"D x 20"W / 18.5"-22.05"H), crafted from exclusive Aerovith Mesh, ensures continuous cooling while enhancing support by 30% and reducing pelvic pressure by 20%. 【LUMBAR MICRO-ADJUST】Offering 2 inches of adjustable support over 8 levels, this lower back feature aligns accurately with the L1-L5 lumbar spine, lessening lower back pressure by 50% and reducing fatigue by distributing weight evenly. 【STURDY, SNUG WORK CHAIR】Made for long sits over 8 hours of desk work. Micro-adjust lumbar support, flip-up arms, and a flexible headrest serve people from 5'5" to 6'2", prolonging comfort. BIFMA X5.1 certifies the reliability of its robust, durable structure, ensuring sustained benefits.