OFM 130-AA3-A01 Mesh-Back Comfort Series Task Chair - Ergonomic Office Chair with Arms, Gray COOLING MESH BACK WORK CHAIR: Added comfort with breathable fabric that you can relax into COMFORTABLE OFFICE CHAIR: Thick 3" Seat is upholstered in Stain-resistant, easy-to-clean fabric ERGONOMIC POSTURE SUPPORT: Ergonomic adjustments for Back Height, Back angle, Seat Height and tilt for added customization ADUSTABLE ARM OFFICE CHAIR: 7-Position Height and width adjustable arms for customized upper body support HEAVY DUTY AND DURABLE: 360-degree swivel and sturdy 25" 5-star wheeled base with 250lb weight capacity. Backed by the OFM limited lifetime warranty