Executive Big and Tall Leather Chair features a double air-grid back with adjustable lumbar support – thickly padded contoured leather seat and padded arms that adjust in height and width. Weight capacity is 400 lb. Functions include one-touch pneumatic seat-height adjustment – mid-range knee tilt – adjustable tilt tension and integral lumbar. Heavy-duty five-star base with gunmetal finish has oversized – dual-wheel carpet casters. Seat size is 22″ wide x 21″ deep x 4-1/2″ thickness. Back size is 20-3/4″ wide x 22-1/4″ high. Distance between arms is 22-1/2″.