This Heat-Trapping Sauna Vest accelerates your body's natural sweating to help you make the most out every activity while staying motivated and ready for action. It uses an advanced composition of spandex and polyurethane, your core temperature rise so you get results FASTER. It fits snugly around your midsection and is designed to keep you sweating inside but comfortable and dry on the outside. Wear it in the gym or while performing everyday activities, you'll INSTANTLY feel the difference. Package Includes 1x Black – Men's Heat-Trapping Sweat Vest 1x Camo Gray – Men's Heat-Trapping Sweat Vest 1x Heather Gray – Men's Heat-Trapping Sweat Vest Key Benefits It molds and moves with your body during workouts at the gym or at work. Supreme flexibility, featuring a traditional tank top style you can wear it underneath your clothes completely hidden without adding any extra bulk. The garment was designed to increase body temperature and absorb sweat so you're always dry on the outside. Preserves body heat and stimulates sweat during exercise. Its revolutionary design helps you achieve results faster and easier. Provides a hot-sauna like-experience including many of the same scientif