- Ergonomic Chair with Ratchet Back and Multi Function Control - Contour Molded Seat and Back with Built-in Lumbar Support - Ratchet Back Height Adjustment - Pneumatic Seat Height Adjustment - Multi Function Control with Adjustable Tilt Tension and Forward Tilt - Height Adjustable Arms with Soft PU Pads - Heavy Duty Nylon Base with Dual Wheel - Carpet Casters - Seat Size: 20W x 20D x 3.5T - Back Size: 19W x 19H x 3.5T - Max. Overall Size: 42H x 25W x 25.5D - Arms Max Inside: 19.5 - Arms to Floor Min: 24 - Seat Height Min: 17.5 - Seat Travel: 4.5 - Cube: 5.3 - Weight: 54 - Available Colors: Icon Navy, Icon Grey, Icon Burgundy, Icon Black