The Aggressive Latex Waist Trainer reduces the waist line. The Aggressive Latex Waist Trainer comes up under the bust line. Features two front rows of position fasteners and boning to improve posture. This garment is considered high compression and is formed of two layers. The outer layer is comprised of a strong layer of latex (100% Latex Rubber) and the inside layer is a soft cotton/spandex that lays against your skin for comfort. This garment is for serious abdominal control, please follow our size chart carefully. When in doubt, please choose the larger size. Hand Wash Cold. Lay Flat to Dry.