This is a Super durable high quality sweat suit with rubberized inner lining and elasticated cuffs for optimum results. This suit has been designed to provide maximum durability and performance.wrestlers and many athletes for decades as they strove to reach their weight goals quickly. These workout suits have evolved from simple heavy cotton sweatsuits to gear made exclusively to promote sweating. They aren't just for athletes anymore either as a sauna exercise suit can be worn around the house or yard while you do your chores.Sweat Out Toxins and Waste Most of the weight loss while exercising in sauna workout suits is water. Yes, it is quickly regained once you drink water again, but that's expected. These sauna suits also keep your muscles warm as well as relieve minor aches and pains. But the main benefit comes from the healthy cleansing process when you sweat out toxins and waste from your body.