Dynamic lumbar and back support: The adjustable lumbar support will bend according to your movements to keep your spine aligned and support your back appropriately - whether you are typing upright in front of your desk or lying down at an angle of 120 °. Paired with a widened and reinforced backrest, it provides full-length back support, relieving tension and helping you stay comfortable all day long. BREATHABLE WIDE MESH SEAT&SEAT DEPTH ADJUSTMENT - Soft and durable grey mesh seat and back is a must for an ergonomic chair. High elasticity and air circulation prevent fatigue and sweat.This ergonomic office chair adds a touch of elegance to any office decor. While shock absorber and seatdepth adjustment Elevate comfort to the next level. 【Premium Ergonomic Comfort】 headrest (height adjustable) cradles your head and neck to reduce strain, especially during long work calls or focused tasks. The W-shaped seat cushion evenly distributes weight to ease pressure on your hips and thighs, while the breathable mesh and soft armrests keep you cool and supported through every hour of sitting. Convenient Mobility: The chair's 360° swivel base allows for effortless body rotation while seated. Its silent rolling wheels move smoothly in any direction, making it ideal for hard floors. Enjoy quiet and comfortable mobility in your office space. Can be used as student office chairs, computer chairs, ergonomic chairs, desk chairs, and gaming chairs