High Back Multi Function Ergonomic Chair in Black Fabric The high back ergonomic chair is the attractive, sophisticated seating solution your office has been missing. Sit in luxury against a padded height-adjustable back with built-in lumbar support, while taking full advantage of a seat with pneumatic height adjustment, multi-function control, and adjustable tilt tension. Supremely comfortable height and width-adjustable padded arms finish a chair with a heavy-duty nylon base and dual wheel carpet casters. It’s a seat that absolutely means business as a welcome addition to those who seek modern comfort and timeless style.Features : Thick Padded Contour Seat and Back with Built-in Lumbar Support; One Touch Pneumatic Seat Height Adjustment; Multi Function Control with Adjustable Tilt Tensio; Ratchet Back Height Adjustment; Height and Width Adjustable Arms with PU Pads; Heavy Duty Nylon Base with Dual Wheel Carpet Casters; Arms to Seat Height: 8.25"" - 10.25""; Arms to Floor Height: 25.5"" - 29.25"". Specifications : Chair Dimensions : 26""W x 26.5""D x 45.75""H; Chair Weight : 54 lbs; Chair Weight Capacity : 275 lbs; Assembly Required : Yes; Seat Dimensions : 20.25""W x 21""D x 3.5""T; Seat Height : 19"" - 22.5""; Back Dimensions : 19.75""W x 25""H x 2.5""T.