The 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. Upholstery is vinyl, making it easy-to-clean. The seat height of this chair is easily adjustable from 22" to 32" to suit a wide range of user heights. This height pairs perfectly with standing or adjustable-height desks to help encourage a more active, yet comfortable, workday. The flat footring around the base provides an ergonomic support while sitting, and is adjustable to suit the needs of the user. A sturdy, five-star base with casters and 360-degree swivel capabilities ensures the user can move and reach anything they need throughout the day. Great for use in personal workspaces, computer labs, home offices, design studios, architecture firms, warehouses, conference rooms or anywhere else an extended-height chair is needed.