You can tighten your belt with this saving on the 2-In-1 Vest With Waist Trainer Choose from either a black or grey design, whichever goes best with your gym outfit There are a range of sizes available from a M to a 3XL This multifunctional vest uses heat insulating material to promote sweat and a waist trainer The vest is constructed from 100% neoprene which helps stimulate sweat and hold in heat  You can adjust the tightness of the vest yourself to ensure that you get the best fit The sturdy zipper closure ensures the belt stays in place for the entirety of your workout Grab yourself a saving of 68% and upgrade your workout with the 2-In-1 Vest With Waist Trainer