Adjustable Workout Waist Trainer: choose your size and adjust it tightly for better results at the gym! This perfect fit will give you a slimming effect while maintaining the heat, and helping you sweat more during your workouts. Its double closure feature, provides an inner zipper closure, which makes it very practical to put on and off. And on the outside are two Velcro straps, adjustable to your preference and convenience. It can be used for all types of activities. Whether it’s a high intensity workout, or a normal day at the office.