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

Sturdy, Snug Work Chair: Designed for long sessions of over 8 hours at a desk. Micro-adjust lumbar support, flip-up arms, and a flexible headrest accommodate individuals from 5'5" to 6'2", extending comfort. BIFMA X5.1 certification confirms the reliability of its robust, durable structure, ensuring lasting advantages. Lumbar Micro-Adjust: Providing 2 inches of adjustable support across 8 levels, this lower back feature aligns precisely with the L1-L5 lumbar spine, reducing lower back pressure by 50% and minimizing fatigue by distributing weight evenly. Larger, Cooler Seat: The enlarged cushion (19.3"D x 20"W / 18.5"-22.05"H), made from exclusive Aerovith Mesh, ensures consistent cooling while boosting support by 30% and decreasing pelvic pressure by 20%. Detail-Oriented: Wide, non-peeling soft armrests and a 90° flip-up feature combined with silent PU wheels, enabling it to roll smoothly under the desk to maximize your workspace without leaving marks on the floor. Flexible Head/Backrest: Adjust the headrest in both height and depth for customized head and neck support for individuals between 5'5" and 6'2". The backrest can be locked at 90, 110, or 125 degrees to match your changing focus needs throughout the day. Choosing the right chair is vital for prolonged comfort and consistent productivity. Typically, each chair assembles easily in 30 minutes