Maximize your well being 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 personalize the seat for your precise requirements and the armless design makes allows for easy access. Get the support you need during the work day with the Back Ergonomic Task Chair. Dimensions: Assembly Required   Please note: orders of 4 or more chairs will ship with a freight carrier, and are not traceable via UPS. Please allow 10 days before contacting Overstock.com regarding any freight carrier shipping concerns.