Mid back. Adjustable chair tilt and tension set the rate. Recline tilt lock sets the chair in an upright position. Seat is cushioned with foam padding to offer a medium-firm feel steel base. Espresso wood cover. 360 degree swivel. Five dual-wheeled casters. Armless design. Meet ANSI/BIFMA quality standards for safety. Weight capacity: 275 lbs.. Warranty: Five years. Made from steel, metal, plastic, vinyl upholstery, wood, foam and bonded leather. Assembly required. Seat: 22 in. W x 18.5 in. D x 18.1 in. - 21.6 in. H. Overall: 22.05 in. W x 25.79 in. D x 33.66 in. - 37.4 in. H (40.85 lbs.). With a stylish design and plenty of colors to choose from, the bush business furniture arden lane Mid back tufted office chair offers a sophisticated seating solution for those with fashionable tastes. Along with its appealing look, this commercial-grade desk chair also includes a variety of features intended to provide exceptional comfort and functionality. A convenient lever instantly adjusts the seat height to meet individual preference and is also used to lock the tilt function so that the chair is fixed in an upright position.