Feature Color: Black,Gray Material: Polyester95%;Spandex5% Size: S,M,L,XL,2XL,3XL BORN TO SWEAT: 70% Neoprene, 15% Polyester, 15% Nylon. Compared with the traditional sweat sauna vest, we have selected higher quality materials and zippers, plus outer adjustable belt, the fabric is softer, more elastic, accelerates sweating, and the zippers are more durable. Wearing this men's waist trainer vest during exercise can help you reduce excess water and retain body heat to burn more calories, and sweat more than 3 times as usual. READY FOR SAUNA SWEAT: This 2-in-1 vest and waist together for men is made of neoprene and polyester synthetic materials, breathable and adjustable, flexible enough to move with. Putting this waist trainer for men on before your exercise routine can help you shed an extra amount of water weight and retain body heat to burn more calories. Also this body shaper men sauna sweat weight loss workout vest can keep you warm in cold days. UPGRADED DESIGN & BACK SUPPORT: Scientific design and compression help you correct posture, special neoprene materials provide immediate abdominal pressure on waist and back support, Neoprene hombre helps perfectly fit your body contours, comfortable snaps to keep your shoulders straight and make you look more confident. this body shaper men sauna sweat workout vest can keep you warm in cold days. FOR EVERYDAY WEAR: Upgraded neoprene waist trimmers zipper shapewear is easy to take on & off, the compression and elasticity of the vest makes your belly fat shrink and flat, shape your body, help you sweat quickly, burn fat in your midsection and reduce your stomach. You can wear a shirt, tracksuit, workwear and other everyday clothing outside the hot neoprene corset for home, running, basketball, gym or working, so you can always be in a state of fitness. Packing list 1 x compression shirt for men Size Chart Size Bust Waist S 83~94cm 72~81cm M 94~100cm 81~87.5cm L 100~106cm 87.5~94cm XL 106~113cm 94~100cm XXL 113~119cm 100~106.5cm XXXL 119~127cm 106.5~114cm Label: Yes Washing: Hand wash, Do not iron, Dry clean, Line dry in the Shade, Do not bleach.