1. Neoprene fabric, comfortable to wear during work out; 2. Zipper front closure and an adjustable waistband for comfortable; 3. Embossed pattern design, contoured and naturally flexible to fit comfortably around your waist; 4. Ten steel bones, 3-layer elastic belt on the outside design, promotes strong waist shaping; 5. The small 9 hooks design prevents the zipper from sliding and enhances the binding force of the zipper closure.