Mid-back stool offers a breathable mesh back that conforms to your body for more comfort. Fabric-upholstered seat is cushioned and adjusts from 25-8/17" to 43-1/11". Arms are covered in polyurethane foam and adjust in height and width. The swivel/tilt chair includes a footring so you can find the best sitting position. 28-3/11" diameter, five-star base is made of glass-filled nylon and is equipped with 50mm hooded, dual-wheel casters for easy chair movement. Weight capacity is 250 lb.