HANERDUN Mens Slimming Body Shaper with Zipper Compression Shirt Slim Shapewear Material: 90% Polyester + 10% Spandex, hand wash to continue life of the garment Two layers of 180g power net fabric compress from chest to abdomen. More convenient full length chest zipper, instead of 3 row hook eye closure, ensures easy on and off wear each time when you wear it. Easy to zip up because of 4pcs hook eye closure inside. Big X-shaped under shoulder tighten back for a lean appearance and slim waist on both sides. Made of high quality Nylon to stay elasticity and shape of body, which is different from many similar design of cheap material on the market, perfect gift idea for your family and your friends. We are not standard US size, don't use amazon size chart. Please see the picture choose the size according to the Hanerdun measurements list under the size selection. If you don't know what to choose size, please measure your current height and weight to contact us. Do you like a tight fit? Go for one size smaller than you usually wear. Want a loose fit? Go for the size you usually wear or one size larger.