Trimmer for the Waist. It is strong, light, and flexible, enabling a variety of motions while applying therapeutic heat compression to the back and abdomen. crafted from extra-thick, latex-free Neoprene, which could encourage increased perspiration when exercising. The Trimmer's grid inner lining will prevent moisture absorption and minimize sliding and bunching during exercise, so don't worry about the extra sweat. comes with a mesh bag to keep or clean the waist trimmer, as well as a sample gel packet of Sweet Sweat.