Elevate your comfort at your desk with the Office Star Ergonomic Task Chair With ProGrid Back. Designed to suit most workstations and statures, this ergonomic desk chair is fully adjustable and glides smoothly over tile and carpet. The ProGrid mesh back conforms to fit the shape of your body, and the Multi-Task control lever lets you modify your seated position in this mid-back office chair to suit the task at hand in a snap. Overall Dimensions: 39-3/4H x 25-3/4W x 25D. Weight capacity tested to support 275 lb. Breathable ProGrid Back with lumbar support. Upholstered waterfall seat cushion. 1-touch pressurized pneumatic seat-height adjustment. Vertical backrest adjustment. Multi-Task controls adjust seat and back angles with a single lever. Height-adjustable arm rests with soft PU padding. Heavy-duty nylon base with dual-wheel carpet casters. Assembly required. Mesh task chair in ink blue complements your dcor.