Upgrade your home office, study, or gaming space with this ergonomic office chair, designed for comfort and practicality. It features a contoured back, adjustable foam lumbar support, and headrest to keep your spine aligned, reducing fatigue during long sessions. The 3.5" thick, 19.7" wide foam seat relieves hip pressure, while breathable mesh keeps you cool all day.Built with a premium gas cylinder and sturdy metal base, this chair supports up to 331 lb for reliable stability and durability. It’s fully adaptable: adjust seat height from 17.7" to 21.7", use the 90–105° tilt function for relaxation or focus, and flip up armrests to save space by tucking it under your desk. With clear instructions and labeled parts, assembly takes just 20–30 minutes, so you can enjoy comfort quickly.