Shell Extended-Height Chair, Supports Up to 275 lb, 22" to 32" Seat Height, Black/White Seat, White Back, Black BaseThe easy to use Shell Extended Height Chair provides intuitive adjustments and a sleek design that suits any workspace. Featuring a contoured back for lumbar support and a frame that naturally flexes to fit the individual user, this drafting chair is great for long work days. For additional comfort, the seat and arms are available with upholstered padding. The seat's back includes stylish holes that provide comfortable breathability during use.