Task chair is a smart addition to any office space. Black mesh upholstery allows air to circulate. High-back design offers adequate support to neck and head Overall dimensions: 37.7-40.2"H x 26.8"W x 26.8"D. Seat dimensions: 20.1"W x 24.8"D Back dimensions: 21.7"W x 27.6"H Width and height adjustable arms allow you to rest your forearms comfortably.