Introducing the ultimate in ergonomic seating - the Medium Back Ergonomic Chair! Keep cool and comfortable with its breathable mesh back and seat, while the striking white frame with grey mesh elevates any office space. Enjoy customizable back elasticity thanks to the self-bearing chassis, and rest assured with the sturdy aluminum alloy five-star base and smooth, silent wheels. Plus, take your comfort to the next level with 3D armrests for added convenience.