LANFEI Womens Sauna Pants High Waist Slimming Hot Sweat Workout Neoprene Leggings for Weight Loss MATERIAL: 90% Neoprene, 10% Polyester. Lightweight stretchy fabric increases body temperature and absorbs sweat to help speeding up the calorie burning process and reducing body fat while working out HIGH WAIST: High waist design to enhance sweat on abdomen helps to reduce the abdomen, waist and thighs FAT BURNING: This sauna hot pants lock in your body heat, expedite calorie burning, full length design help to heat up leg area make you sweat more when you running NOTICE: This neoprene sauna shaper pants has some material smell, it's pretty normal and would be gone after a few time washes Our sauna slimming workout pants with regular exercise, can be a big help in keeping your body in good shape. It also help for doing running,yoga and all kind sport