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