Underworks Mens Cotton Performance Compression Tank CottonSpandex Sizes: Measure Chest in Inches: Small 32-35 / Medium 36-39 / Large 40-44 / X-large 45-48 / 2X 49-52 / 3X 53-56 Made of cotton, feels like cotton, looks like cotton - No shiny look Powerful compression yet breathable and undetectable Helps in muscle recovery after sporting events - Improves circulation and provides back support Base layer or as athletic gear or as a top - Quality construction - Made in the USA The feel of cotton and the stretch and fit of spandex are merged together to conform to every curve of your body and fit you like second skin providing you unmatched comfort, tight fit, and durability. The most comfortable all day underwear. Made in the USA. All day underwear Available in colors: black and white