Siluet Final Sale Firm Control No Closure Thermo-Reducer Waist Cincher Waist cincher shapes the tummy and defines your waistline. Made of Powernet and latex, highly durable materials that reduces your size and provides back support. Wide, flat bands on the top and bottom of cincher keep it from slipping. Side-boning provides an excellent shape and keeps the integrity of the cincher firmly in place. Ideal for daily use.