About This Stylish Ergonomic Chair: Designed for posture support and long hours comfort, this ergo chair features multiple adjustments - 3-position tilt backrest, adjustable armrests and seat height/depth to fit your unique posture. Supports users 5'1"-6'3" tall (280lbs capacity). Quick 10-minute assembly with all tools included for hassle-free setup Airflow Lumbar Back Support: Stay cool with breathable backrest mesh office chair. The breathable mesh & dynamic support promote 8H+ sitting wellness. Its innovative transparent design enhances airflow, keeping you comfortable all day. The durable mesh construction offers both flexibility and firm support for lasting comfort Better Support Seat Cushion: High-density sponge (55kg/m³) ensures even weight distribution (no sagging). Premium fabric seat cover with OEKO-TEX (0 toxic chemicals) and EU Ecolabel. Plastic+steel seat shell (No wood) prevents moisture buildup. Experience perfect balance of support and airflow for all-day sitting Customizabe Seat Depth: The sliding seat mechanism allows personalized depth adjustment to perfectly fit your body proportions. By optimizing the sitting area position, the chair maintain proper back support and release legs pressure - whether you're taller and shorter 3 Position Recline with Adaptive Tilt: Seamless lean-back (95°–125°) via auto-sync mechanism. Lock angles for work-95°, or leisure-110°, nap-125°. The soft armrests offer stability and comfort, with a height adjustment of 3.94" Overview Brand : ProtoArc Color : White Product Dimensions : 18"D x 20.08"W x 43"H Back Style : Solid Back Special Feature : Adjustable Backrest, Adjustable Height, Adjustable Seat Depth, Arm Rest, Ergonomic Material Mesh, Nylon : Item Weight 18 Kilograms : Material Mesh, Nylon : Item Weight 18 Kilograms Frame Material Nylon : Seat Material Type Foam : Frame Material Nylon : Seat Material Type Foam