Ergonomically designed stool adjusts to fit multiple users. Cool, breathable mesh back. Contoured seat cushion with waterfall edge to help relieve pressure on knees. Adjustable foot ring for leg support. Weighted steel reinforced five-star base with casters & also compatible with glides, which are sold separately. Height adjustable ratchet back for optimal lumbar support. Height- & width-adjustable arms with soft pads. Recommended Application Area(s): Assembly / Repair & Technical Task; General Office & Task; Seat Color: Black; Back Color: Black; Color Family: Black.