Nevin Women Slimming Sweat Shorts Neoprene Anti-Cellulite Pants Body Shapers Material: 80% Neoprene + 20% Nylon; The materials are reversible. Enhances the gluteus. Recommended for Working Out, Biking, Running, Walking, Yoga and Virtually any Sport Heats up your core body area and then burn excess calories in your body by retaining body heat; Designed to maximize the effectiveness of your workout and fat burn, expedite calorie burning. Unique fibers and material produce higher compression resulting in more sweating and help your body to sweat out harmful fats.