Sizes: Sizes: Measure Chest: Small 32-35 / Medium 36-39 / Large 40-44 / X-large 45-48 / 2X 49-52 / 3X 53-56 Small 32-34 / Medium 36-38 / Large 40-42 / X-large 44-46 / 2X 48-50 / 3X 52-65 Comfortable all day for sporting or leisure Smooth Ultra Light Cotton Spandex Compression Underworks Quality - Made in USA Wear as a base layer or as a top 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.