Upholstered with ultra-soft, durable and breathable Gray CaressoftPlus™ upholstery. Mid-Back. Metal chrome plated arms topped with soft arm pads. Heavy duty 2 paddle spring tilt mechanism with infinite lock. Upright locking position. Pneumatic gas lift seat height adjustment. Adjustable tilt tension control. Large 27" chrome base for greater stability. Hooded double wheel casters. Finish: GrayMaterial: FabricUpholstered with ultra-soft, durable and breathable Gray CaressoftPlus™ upholsteryMid-BackMetal chrome plated arms topped with soft arm padsHeavy duty 2 paddle spring tilt mechanism with infinite lockUpright locking positionPneumatic gas lift seat height adjustment