High-back chair offers a breathable mesh back that conforms to your body for more comfort. Fabric-upholstered seat is cushioned and adjust from 16-8/11" to 21-8/19" high. Arms are covered in polyurethane foam and adjust in height and width, and the chair features a swivel/tilt so you can find the best sitting position. 25-10/11" 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.