Stay comfortable during a busy day by taking a seat in this office chair with lumbar support. The mid-back office chair has a durable sled base to handle up to 275 lb. The mesh office chair is breathable to let you focus. Overall Dimensions: 37-1/4H x 26-1/2W x 27D. Weight capacity tested to support 275 lb. Built-in lumbar support. Breathable Air Grid mesh seat and back. Adjustable arms with PU padding. Heavy-duty sled base. Assembly required. Backed by the manufacturers lifetime limited warranty.