This executive leather office chair from Boss Office Products is beautifully upholstered in black leatherplus™ material. LeatherPlus™ is a polyurethane infused leather that adds increased softness and durability. Other features include No Tools Required assembly, waterfall seat edge to help eliminate leg fatigue, thickly padded and contoured seat and backrest cushions, built in lumbar support, tilt with tilt lock and tilt tension adjustment, 360-degree swivel, pneumatic seat height adjustment and a heavy duty five star base with dual wheel hooded casters. Optional knee-tilt mechanism upgrade for more balanced tilting available for a minimal charge. This executive chair meets or exceeds ANSI/BIFMA standards. Dimensions: Seat Size: 21"W x 19.5"D. Arm Height: 27.5" - 31". Seat Height Adjustment: 20 -23.5"H. Overall: 45 -48.5"H x 27"W x 28"D. Six year limited warranty from Boss. This chair normally ships within 2 business days from our GA or CA warehouse.