Professional design: Compared to other normal sauna vests, Sweat Body Shaper Vest for Men has no special odor, the weight is 1/2 of it, very light but effectively makes you sweat and the outside stays dry quickly. Mens compression t-shirt is lightweight and small space, easy to be packed in your gym bag, suitable for all sports in Gym, outdoors and daily wear. Advanced Fabrication: Upgraded Sweat Sauna Fabric include 92%Polyester and 8%Spandex.Men's Bodysuit Slimmer Saunasuits Consisting of two layers: The inner thermogenic polymer fabric can raise your body temperature to help you burn more fat. The outer performance compression fabric instantly slims and shapes your figure. Sauna Effect: Men's Heat Trapping Shirt creates a hot sauna-like experience while you put it on, you will feel the warmth starting to hit your body instantly and excited about the heat/sweat and spa effect, also accelerate calorie burning, improve the immune system, enhanced blood flow. Increased sweating also helps with detoxifying and cleansing your pores. Body Shaper: Workout Sauna Tank Top Vest not only makes you sweat but also provides compression on the flat abdomen. Provide full coverage and tight compression to your fat belly and love handles, flatten abdomen, provide tummy control, and great back support. Making you stand taller, look slimmer, and more confident.Comfortable Wear: Sweat Sauna Shapers for men moves with your body during everyday activities and its easy to clean. Featuring a traditional tank top style, you can wear this waist toner underneath your clothes completely hidden without adding any extra bulk.