Ribbed Back Task Chair with polypropylene fixed arms offers exceptional features such as tilt tension, upright lock and pneumatic gas lift for easy height adjustments. CaressoftPlus vinyl is an ultra-soft, breathable upholstery that looks and feels like leather but is more durable and easy to clean. Sturdy, high-crown, 25" nylon base utilizes 2" dual-wheel casters for a smooth roll. Chair holds up to 275 lb.