Abs Wrap Neoprene, you can support and compress your abdominal muscles for waistline reduction and use it as a post-operative or post-delivery aid to reduce the waistline. It is made from three layers of Neoprene foam bonded fabric with a four-way stretch. The top layer is made of a special fabric with unbroken loops, which offers the advantage of a flexible closing system for easy application and removal. A high quality nylon fabric is used for the inner layer, Furthermore, Neoprene is a material that provides four-way compression while retaining body heat at the same time.