Sweat absorbing: Designed to increase your body temperature and stimulate up to three times more sweat during exercise, aiming to help burn fat and sweat out toxins. Shapewear: Get a zipper waist trainer. : Aims to accentuate your figure whilst improving posture and enhancing back and stomach support. Zipper design: The waist cincher features hook fastenings as well as strong zipper in the middle for a comfortable fit. Sizes: Valid in UK sizes 8-18. Material: Made from 70% neoprene, 15% polyester and 15% nylon. | Neoprene Zipper Waist Trainer - Black - UK | Wowcher