Due to the ergonomic design of the mesh office chair, you can enjoy a comfortable sitting experience for long time. Both the headrest and lumber support can be adjusted to perfectly conform to your body curve. The adjustable armrest also aims to provide better support for your shoulder while sitting. The universal casters make the chair move fast to catch up with your quick work pace. Moreover, the mesh seat and backrest feature high elasticity for strong support and good breath ability for cool sitting feeling. Upholstery Color: Black