Cooling mesh back: added comfort with breathable fabric that conforms to upper body Fixed arms: all-day support for upper body and shoulders Center-tilt and tilt-tension control: adjust chair and seat back recline for greater comfort and work preferences Engineered for maximum comfort and durability 250 pound weight capacity The Essentials by OFM seating collection is where quality meets value. The ESS-3011 task chair features a breathable mesh back and durable sandwich mesh seat. It offers simple and intuitive controls such as pneumatic seat height adjustment, 360 degree swivel, tilt tension and tilt lock for added customizability and comfort. This chair also includes sculpted arms which provide forearm support. The comfort, stylish look, and price point of this chair make it a perfect addition to the office, whether at work or at home. This chair meets or exceeds industry standards for safety and durability, and is backed by our Essentials by OFM Limited Lifetime warranty.