NWOT TNT Pro Series Sauna Suit Weight Loss for Women - Neoprene Workout Sweat Suits Slimming suit offers a comfortable, snug fit with a convenient front zipper to get in and out of and reinforced stitching for superior durability and use during your intense workouts. - Made of 2.5mm neoprene fabric creating a highly flexible and softer texture than regular neoprene and is finished with a smooth layer of lycra. - Expect to sweat a lot and increase your body heat; therefore, we created our sauna suits with ventilation areas that will add comfort and allow breathability without losing the body heat essential to maximize sweat and enhance your caloric burn. - Black, the short sleeves and legs allow for you to wear the suit under your regular clothing making it perfect for training in competition, weightlifting, boxing, wrestling, and more. - Please refer to the sizing chart before choosing a size. If you are on the fence as to the proper size, our experience is to base the size on your weight and chest measurement to ensure the clothing will not fit too tight.