*Ergomax executive black leather chair is excellent for your office or home *Furniture features an ergonomic crafted with a medium back *Chair has double-stitched French seams on premium soft leather *Ergonomic sophistication contoured lumbar provide Convenient lower back posture support *Waterfall-contoured soft foam seat cushioning allow superior blood circulation provides all day comfort *Ergonomic double layers seat cushioning made with underside breaslenderg materials *Upholstered leather padded armrest *Knee-tilt mechanism with multi-tilt control and tilt tension control, providing synchrony smooth reclining tilt motion *One-touch control height adjustment *Black nylon base with a 27-inch diameter *Double-wheel hooded castors *Compliant with ANSI BIFMA *Seat measures 22 inches wide x 21 inches deep *Back measures 22 inches wide x 25 inches high *Seat has a 19 to 22 inches adjustable height *Overall dimensions measure 28 inches wide x 27 inches deep x 40 to 43 inches adjustable height Please note: orders of 4 or more chairs will ship with a freight carrier, and are not traceable via UPS. Please allow 10 days before contacting Overstock.com regarding any freight carrier shipping concerns.