Mid-back task features a breathable mesh back and durable sandwich mesh on the seat. It also 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 (fixed) that provide forearm support. The comfort and stylish look make it a perfect addition to the office or home. This chair meets or exceeds industry standards for safety and durability.