A high quality sauna jacket designed with a fashionable heavy cotton blend outer shell, seamlessly combined with our unique Ultra Stretch Poly-Bio-Flex fabric inner lining. (NON-NEOPRENE).New Improved ULTRA STRETCH gives you maximum stretch-ability with bonded Poly-Bio-Flex and Triple Woven Spandex for the utmost sweat output. Anatomically designed to embrace and fit comfortably around the feminine figure. Extremely Durable & Light Weight for greater comfort and effectiveness; with True-Shape & Sculpt technology.A specially designed 100% extra-soft durable Sweat-Inducing inner lining fabric that feels like soft leather to help you increase sweat output up to 70% while shaping and sculpting the upper body. BioSweats Poly-Bio-Flex fabric technology is an effective sweat aid which uses natural body heat to increasingly generate intense perspiration up to 70% during workout to help you achieve your weight loss goal faster. BioSweats Poly-Bio-Flex fabric inner lining uses a sweat excretion process through perspiration to stimulate the entire body, thus helping to rid the body of excess water weight gain, and evenly melts away unwanted body fat and stubborn inches! This weight loss process works just like the expensive saran wrap body treatments offered at exclusive health spas. BioSweats Sauna Jacket is durable, tear resistant and machine washable.Bio-Sweats Muti-Purpose Sauna Suit is made with our double layered Poly-Bio-Flex water resistant fabric and is designed for the active lifestyle and ideal for various sporting activities. Bio Sweats can be used as an effective sauna suit, all fitness workouts, weight loss exercise, ski/water sports, water-resistant and warm suit.Bio-Sweats Multi-Purpose Sleep Sauna Suit For Occlusion Use:Bio-Sweats Multi-Purpose Sleep Sauna Suit is designed with Poly-Bio-Flex a water resistant non-irritating fabric that is the #1 recommended occlusion suit by dermatologists for patients who suffer with skin conditions such as Psoriasis. Bio-Sweats sleep sauna suits aids in protecting irritated skin rashes, facilitates healing, and helps increase topical ointment and medicated cream absorption. Bio-Sweats sleep sauna when used for Occlusion Therapy or for Skin Moisturizing Therapy treatment keeps the skin warm and damp; therefore, increasing the therapeutic effects and relief on dry skin, severe Psoriasis, helps decrease redness, scaling, skin lesions of systemic lupus erythematosus (SLE), chronic Dermatitis, and many other irritating skin conditions. The Bio-Sweats Multi-Purpose Sleep Sauna Suit can also be worn during the day just as regular clothing because of its comfortable & fashionable design. Sizes range from Small up to 5XL.Caution:You should only use this product for occlusion purposes under the supervision of a licensed dermatologist who has experience with this practice. Stretch Factor: 75% Stretchable (Advanced Firm Fit with Superior Range of Motion & Stretch Comfort)..