PRETTYWELL Men's Body Shaper Quick Dry Corset Sports Long Sleeve Shirts Suits Ultra breathable fiber,polyamide 95%+spandex 5% Quick dry,rapid absorption and volatile sweat, keep the skin comfortable for a long time Measurements Information (chest/ inch,Weight /pound): M: 24 ~35 inches, 140 ~180 pounds L: 35~ 42 inches, 170~220 pounds XL: 43 ~53 inches, 200~240 pounds Seamless technology,microfiber smooth,designed to slim and shape bodies The support back is helpful to shape body, helps you burn calories and lose weight