Neoprene Zipper closure 【3-IN-1 SWEAT VEST】: This upgrade version integrates sports bra and adjustable sweat waist trainer trimmer belt onto a single hot sauna vest. It helps boost body heat and get hourglass figure. Suitable for running, workout, outdoors and housework 【GET CRAZY SWEAT ON】: Industry-leading heat-trapping neoprene fabric makes you sweat three times more than usual. You will see a significant effect on slimming by using this sweat shaper for 30 minutes per day, better combining with exercise 【BREATHTAKING BODY SHAPING】This corset waist trainer helps to minimize your tummy area,even out your body and smooth bulges for a natural, sleek look and fabulous curves. It also helps to enhance posture and release back pain 【DURABLE, SNUG AND EASY TO WEAR】Firm sewing and quality material prevent ripping, deliver greater durability and all-day comfort. The zipper and design makes it easy to put on and take off. Great stomach shapewear for women 【DOES NOT FIT? EASY TO EXCHANGE】Please measure your waistline(1 inch above navel) and choose a size according to the left size chart on Picture 4. Easy to return and exchange. Please feel free to contact us if you have any questions HOPLYNN Sauna Sweat Vest Waist Trainer Corset Trimmer Shaper Belt for Women Neoprene Waist Cincher Stomach Tummy Shaper - BJBX4MFT1