This Commercial-Grade Task Chair provides an intuitive, intelligent workplace seating solution that caters to each person individual needs with a weight-activated locking tilt control that auto-adjusts. With ergonomics at the forefront, the chair design provides personalized all-day seating comfort and support. The breathable mesh back promotes air circulation for a comfortable experience in any office climate while the 4″ thick seat cushion firm support helps keep you on task. Adjustable features like height adjustable arms and adjustable lumbar support allow you to customize the chair to your needs throughout the day. Assembly is so quick and easy, the office chair can be ready for use in 20 minutes. This task chair comes with seat slide which adjusts the seat depth for users of varying heights. With a BIFMA certification, you can rest assured you are investing in a product that meets strict standards for performance.