Black Spiral Boned Sport Workout Body Shaper Waist CincherHigh compression waist trimmer great for women tummy control, and it also works for sports fa High compression waist trimmer great for women tummy control, and it also works for sports fans as a running sport gym outfit. Adjustable 3 hooks & 1 zip for different level of compression and spiral bones insert giving you a slimmer look by reducing you at least 3 5 inches in waistline. High class neoprene made,comfortable and the best curve for you.