Ergonomic office chair with adjustable headrest, lumbar support, seat height, and turn over-up armrests for personalized all-day comfort. Breathable mesh back and high-density foam seat provide cool airflow and durable support, accommodating up to 350 lbs. turn over-up armrests save space by sliding under desks, making this chair ideal for home offices, dorms, and gaming rooms. Recline function (90°–120°) and multi-angle headrest adjustment offer versatile sitting positions for work, gaming, or relaxation. Stable 5-point metal base and smooth-rolling, silent casters ensure quiet, mark-free movement on both hard floors and carpet.