Back has ample support and ergonomic shaping to provide comfort and reduce fatigue; breathable nylon mesh keeps you cool and comfortable throughout every workday—no matter how many hours you put in. Specially designed to support up to 350 lbs. to ensure comfort for a variety of users. Adjustable footring. Optional T-Pad Arms sold separately. Recommended Applications: Specialty—Big & Tall 24/7; Drafting Warehouse & Industrial—Stools; Seat/Back Color: Black; Arms Included: No; Pneumatic Seat Height Adjustment: Yes.