ProGrid Ergonomic Task Office Chair in Coal Black Maximize your wellbeing while you work with an ergonomic office chair that works as hard as you do. Enjoy the comfort of the breathable mesh back with built-in lumbar support as it cradles and contours to your back. Multiple ergonomic adjustments make it easy to personalize the seat for your precise requirements and the armless design makes allows for easy access. Get the support you need during the workday with the ProGrid Back Ergonomic Task Chair.Features : Breathable ProGrid Back with Built-in Lumbar Support; Black Fabric Padded Seat; Pneumatic Seat Height Adjustment and Back Height Adjustment; Multi-Task control; Armless design makes allows for easy access; Available in Coal Black; Arms to Floor Height: 28.25"". Specifications : Chair Dimensions : 25""W x 25""D x 39.75""H; Chair Weight : 27 lbs; Chair Weight Capacity : 275 lbs; Seat Dimensions : 19.5""W x 18.5""D x 2.5""T; Seat Height : 18"" - 23.5""; Back Dimensions : 17.5""W x 16.5""H x 3.5""T.