Stay comfortable through busy workdays with this mid-back mesh office chair designed for everyday home or office use. A contoured backrest with built-in lumbar support follows natural body alignment, while the breathable mesh back helps promote airflow during longer sitting sessions. The sponge-cushioned seat features a waterfall front edge to support comfortable leg positioning, and curved armrests add forearm support. Seat height adjusts from 18"" to 21.5"", and a tension control knob lets you fine-tune the rocking resistance for your preferred feel. Built with a sturdy five-point base, smooth casters, and a reliable gas lift, this chair supports up to 275 lbs. Overall size: 25"" W x 22.5"" D x 34""-37.5"" H.