Manage your schedule in comfort with this ergonomic office chair. The height-adjustable chair moves on casters and features a tilt function for positioning. The mid-back office chair helps keep you cool and comfortable with mesh upholstery. Overall Dimensions: 45H x 27-1/4W x 24-1/4D. Ergonomic design allows for comfort throughout the day. Recommended for professional use 8-10 hours per day. Weight capacity tested to support 275 lb. Lumbar support is adjustable by height and depth. Breathable, vertical mesh seat and back. 1-touch pneumatic seat-height adjustment. 2-to-1 Synchro tilt control is designed with adjustable tilt tension. Height-adjustable arms with PU padding. Aluminum base sports oversized dual-wheel carpet casters. Assembly required. Backed by the manufacturers lifetime limited warranty.