Mesh and vertical support compresses abdomen and lower back; enhances body alignment and posture. * Get a custom fit with shoulder straps, racer back, front hook-and-loop closure and two side straps. * Can be worn under clothes or over casual wear. * Nylon, spandex. Caution: If you are under a doctor"s care for your back, consult prior to usage. * Care: Machine washable. Line dry.