Mid-Back LeatherSoft Swivel Ergonomic Task Office Chair with Back Depth Adjustment and ArmsAt first glance this task chair looks like your basic looking office chair, but look closer. This chair lends comfort with ergonomic contoured cushioning and a back depth adjustable back. The back depth adjustable knob allow you to slide the back outward which can accommodate users with longer legs. Curved nylon arms can help reduce neck and shoulder fatigue. The pneumatic adjustment lever will allow you to easily adjust the seat to your desired