Jock string in a neoprene look that is open at the back Contrasting red piping at the front Wide, stretchy fabric-covered waistband Stretchy for a comfortable fit A striking and manly neoprene look! The exciting jock string from Svenjoyment is made out of trendy black matte look material that looks like neoprene. It is also open at the back. The piping at the front is in a contrasting red colour which is extremely eye-catching. It is wonderfully soft and stretchy with a wide, fabric-covered waistband for a perfect fit. 90% polyester, 10% spandex, polyurethane coating.