Give your body a break with the Variable balans Ergonomic Desk Chair. Available with a black frame and a black fabric seat, this chair is designed to let your body move and flow as it naturally should. The Variable balans has slightly curved legs, similar to a rocking chair, to allow you to sit and stretch however you need while at your desk. The seat is a backless bench that is tilted slightly to the front, forcing you to ideally align you posture no matter how you sit. In the front are two extra padded supports for your shins. These let you sit in a variety of positions and keep you balanced. With active sitting burning up to 150 calories each hour, the Variable balans Ergonomic Desk Chair will keep your body in the right shape.