Breathable linen-feel fabric upholstery for enhanced comfort Adjustable height mechanism with smooth gas lift operation Ergonomic S-curve backrest providing precise lumbar support Thick sponge padding on headrest, backrest, armrests, and seat Sturdy reinforced steel frame with 300lbs weight capacity This premium office chair represents the perfect fusion of ergonomic design and functional comfort for extended work sessions. The scientifically engineered S-curve backrest follows the natural conto