Sweat it with the Men's Neoprene Zipper Waist Trainer Vest with Belts Choose from black or grey vests Available in UK sizes: S, M, L, XL, 2XL or 3XL Please see images for complete size guide Made with 100% polyester shell and 100% Neoprene lining Helps to increase thermal temperature to help with calorie burning  Stimulates sweat around your abdomen and lower back area Belts provide double compression and 360° tummy control Save 63% on the Men's Neoprene Zipper Waist Trainer Vest with Belts for 14.99 pounds