Rated for 24/7 use, the breathable nylon mesh back has ample support and ergonomic shaping to provide comfort and may help prevent fatigue. Supports up to 350 lbs. Adjustable footring to help ease pressure points on legs. Optional T-Pad Arms sold separately. Back height adjustment that may help support correct posture that may potentially alleviate pressure points. Vinyl. Recommended Applications: Specialty—Big & Tall, 24/7; Drafting, Warehouse & Industrial—Stools; Seat Color: Black; Back Color: Black; Color Family: Black.