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.