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".