Outfit any office with this Boss Black LeatherPlus Executive Chair. Designed for maximum comfort and utility, this chair offers an ergonomic back design with built-in lumbar support. Other features include pneumatic gas-lift seat height adjustment, upright locking position, adjustable tilt tension control, and a waterfall seat design that eliminates leg fatigue. Upholstered in black LeatherPlus, leather infused with polyurethane for added softness and durability, the chair overall measures 26-1/2 inches wide by 28 inches deep and adjusts to between 45 and 48-1/2 inches high. Its seat is 21 inches wide by 19-1/2 inches deep and adjusts to between 20 inches and 23-1/2 inches high. The arm height is 27-1/2 inches high and adjusts to 31 inches high. The chair can safely hold up to 250 pounds. Some easy assembly is needed on arrival, but no tools are required.