The Modrest Ellison Modern Grey High-Back Office Chair is ergonomically designed to seat tall persons comfortably and for extended use. Framed in wood with high-density foam, it features sleek grey leatherette upholstery with ridges. The non-adjustable lumbar support prevents backache while the padded headrest provides adequate head and neck support. It features aluminum armrests, a gas-lift adjustable height, a swivel mechanism, and a tilt control-tilt backwards 5-position lockable mechanism for optimum comfort. It features a 5-point chrome rolling base with hooded castors for portability and has a 550-lb maximum weight capacity. With a dimension of W25" x D25" x H46/49?, this modern office chair requires assembly and is offered with 5 years warranty.