High-density power mesh and vertical support elements firmly compress abdomen and lower back to enhance body"s alignment and posture. * Adjustable shoulder straps, racer back, front hook-and-loop closure and two side-cinching straps allow for a custom fit that stays in place. * Wear the Cincher under clothes or over casual wear. * Nylon, Spandex. * Caution: If you are under a doctor"s care for your back, please consult prior to usage. Care: Machine washable. Line dry.