The Ripley High Mesh-Back Chair delivers personalized ergonomic comfort. Mesh upholstery on the chair's back increases air flow for cool, breathable comfort. Mold-foam seat comes upholstered in comfortable fabric. Supportive seat, armrests and headrest are adjustable in height to accommodate people of varying heights. Weight Balance Control feature utilizes two-position locking. Nylon base moves on dual casters and allows 360-degree swivel so that you can move where and when you need. This Ripley chair has a total weight capacity of 275 lb.