Woven Mesh Back Chair. Breathable Woven Mesh Back and Fabric Seat with Adjustable Lumbar Support. One Touch Pneumatic Seat Height Adjustment. Locking Tilt Control with Adjustable Tilt Tension. Height Adjustable PU Padded Arms. Heavy Duty Nylon Base with Dual Wheel Carpet Casters. Fabric Choice: Black Mesh (-3) or FreeFlex® Fabric: Ember (-24), Carbon (-25), Azul (-26), Camel (-27), Paris (-28), Olive (-29), or Coal (-30).