Are you on your journey to losing weight and improving your physique? Now you can do it more efficiently with BurnUp Heat Trapping Sweat Vest! The all-new advanced technology sweat vest that uses your natural body heat to promote sweating. Made with polymer fabric that accelerates natural body heat, it will makes your feel like youre sweating out in a sauna through the workout, which allows you to burn calories and lose water weight at a faster rate! INNER HEAT-TRAPPING POLYMER FABRIC Our sweat vest waist trainer is lined with polymer heat trapping fabric that seals your natural body heat and accelerates metabolism with physical exercises. U-SHAPE DESIGN U shape design push up bust line, effectively gather and support breasts. Also control your tummy, shape your waist, and accentuate your curves effectually. PROTECTIVE LAYER The dual-layered design make this women sauna vest suits for most people. With protective back layer, you wont pinch yourself during exercise, making you comfortable during workout. STRONG BACK BRACE SUPPORT This vest makes you reduce waistline, ensures flatten tummy & abdomen and enhances support for your back and spinal. Strong back brace support corrects your posture, making you look more confidence. SUPERIOR QUALITY Thanks to advanced composition of polymer & spandex fabrics, the vest is super flexible and quick to dry with an anti-slip silicon lining so it stays in place with your every movement.