The Swap Sit-To-Stand Chair is perfect for modern, creative office environments with active and flex work spaces that utilize height-adjustable work spaces, counter-height tabletops and collaborative areas. It is designed with on-the-go casual style coupled with a true sit-to-stand height range. Functions include a multifunctional weight-actuated synchro mechanism with four-position tilt-locking system, 360-degree swivel and all-adjustable arms (height, width and pivot) with comfort pads. Dual-floor casters offer more versatility, rolling smoothly on hard floors and carpets. Breathable mesh back; nylon frame with chrome accents; base and fabric-upholstered, cushioned seat are all black. Customize this Swap Sit-To-Stand Chair with your choice of an optional seat slipcover (sold separately) available in expressive colors. Seat measures 19-3/4" wide x 17-3/4" deep. Back size is 19-1/4" wide x 23-1/4" high. Weight capacity is 275 lb.