- If any question ,we hope you will bring them to our attention ,we guarantee 100% money back. - Men hot training vest tops made of neoprene material is great for weight loss ,it will help you to sweat more by heating up your core abdominal area during excercise,which allows you to eliminate toxins and expel extra water weight. - Fitness Weight loss tank top with continuous compression will reduce recovery times .This plus size gym vest provides stretch construction to help enhance ab muscle mobility by work out like a exercise sleeveless girdle or cincher. - With slimming running waist trimmer ,it helps to tighten stomach and firm your abdomenl, provided comfortable support to your back without restricting or hindering movement.PS: Please read the SIZE CHART before you do the purchase. Material: 75% Neoprene, 10% Polyester, 15% Nylon. Color: Black Size: S-5XL - Warm Prompt: Non-chlorine bleach, do not iron. We suggest Hand wash in cold water. - Tips: Choose 1-2 Size Up will be more Comfortable.Choose 1-2 Size Up will be more Comfortable.