Mid back LeatherSoft Executive Swivel Office Chair Overstock 14036057 Mid back LeatherSoft Executive Swivel Office Chair Overstock 14036057 Mid Back LeatherSoft Swivel Ergonomic Task Office Chair with Back Depth Adjustment and Arms Mid Back Mesh Swivel Task Office Chair with Adjustable Lumbar Support Mid back LeatherSoft Executive Swivel Office Chair Overstock 14036057. At 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 height. The mid back swivel ergonomic task office chair with arms is a comfortable desk chair with a small profile that won't take up a lot of space in your home or office.