Activewear: Get a zip-up waist trainer vest. Two colours: Choose in black or grey. Material: Made from neoprene fabric for sweat absorbance. Calorie burn: Aids in the acceleration of calories burnt during your workout! Compression: Designed with two belts to provides compression and back support. Sizes: S - 3XL. Zip-Up Waist Trainer Vest | Black | Small | Living Social