Body shaper: Aims to slim the appearance of your waist. Menswear: Get a workout sweat vest. Sizes: Choose between S-3XL (see Full Details). Features: Designed to correct posture and support your back whilst also shaping your body. Breathable: Made from quick dry material. Material: 90% polyester and 10% spandex outer with a 100% polyurethane inner. Men's Workout Sweat Vest | Black | Living Social