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 Chair for Long Desk Work - Grey

Sturdy, Snug Work Chair: Designed for extended sitting during over 8 hours of desk work. Features micro-adjust lumbar support, flip-up arms, and a flexible headrest to accommodate individuals from 5'5" to 6'2", enhancing comfort. Lumbar Micro-Adjust: Provides 2 inches of adjustable support across 8 levels. This lower back feature aligns accurately with the L1-L5 lumbar spine, reducing lower back pressure by 50% and minimizing fatigue through even weight distribution. Larger, Cooler Seat: The enlarged cushion (19.3"D x 20"W / 18.5"-22.05"H) is crafted from exclusive Aerovith Mesh, ensuring continuous cooling while increasing support by 30% and reducing pelvic pressure by 20%. Reliable Base: Features a leak-proof SGS gas lift to prevent accidental sinking and ensure stable height adjustment. It is complemented by a durable stainless steel base that supports up to 400 lbs. Detail-Oriented: Equipped with wide, non-peeling soft armrests and a 90° flip-up feature, paired with silent PU wheels. This allows the chair to roll smoothly under the desk to maximize workspace without leaving marks on the floor. Flexible Head/Backrest: The headrest is adjustable 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 changing focus needs throughout the day. Selecting the right chair is essential for prolonged comfort and consistent productivity. Typically, each chair assembles easily in 30 minutes, its robust, durable structure ensuring sustained performance