This ergonomic mesh office chair is designed to support the natural curves of the human spine, providing superior comfort for long hours of sitting. It features a fully adjustable system including headrest, lumbar support, 3D armrests, seat depth, height adjustment, and a retractable footrest, allowing a fully personalized seating experience. The 60mm adjustable seat depth helps optimize leg support and improve circulation, making it suitable for users of different heights. The split-back lumbar support with adaptive rotation offers targeted lower back relief, reducing fatigue during extended work or gaming sessions. Built with breathable high-elastic mesh and a reinforced steel base, this chair ensures durability, stability, and all-day comfort for home office or professional environments.