Description Ergonomic Design Cool Gel Pu Foam Seat High Back Support Adjustable Height & Smart Any-Angle Tilt Lock Mechanism Adjustable Lumbar Support About the product? Ergonomic Design The backrest of this desk chair fit the natural curve of the human body, So that you can maintain a healthy and comfortable sitting posture. Thickened cushions provide better sitting experience with high density breathable mesh. Cool Gel Pu Foam Seat Reduces body temperature by 4-5 °C, Cool gel partic