Premium high-back executive office chair,AIR Ergonomic Support Technology® automatically pivots with you to provide continuous lumbar support,Pillow-soft, backrest, seat cushion, and armrests,Premium, stylish upholstery made with perforated material for breathable comfort,5-star nylon base with 360° swivel casters easily glide on most carpet types,Ultra-soft, high-density foam seat construction,Seat-side control tabs easily adjust the height and recline of your chair,Tilt tension control knob locks your perfect position into place,Color: Cognac,Safely supports users up to 350 lb,Casters are intended for use on carpet and are not recommended for use on tile or hardwood floors,This chair comes equipped with all the tools needed for an easy assembly,Endorsed by the American Chiropractic Association,This chair exceeds BIFMA industry standards for safety, quality, and durability,Sustainable packaging made from 100% recycled FSC® certified materials