Alera Eb-e Series Swivel-tilt Mid-back Mesh Chair, Supports Up To 275 Lbs, Black Seat-black Back, Black BaseFlip back arms pivot back and out of the way when not needed. Breathable mesh back and generously padded seat for all day comfort. Mesh padded armrests for extra comfort. Waterfall seat edge reduces pressure points at the back of the knee. Integrated lumbar support. Recommended Applications: Conference, Training & Meeting; Executive & Management; General Office & Task; Seat Color: Black; Back Color: Black; Color Family: Black.