This is a cute American Apparel cropped short-sleeved T-shirt. It has a bit of stretch and is made of a material that is not see-through. (The geometric pattern may be see-through depending on the color of your undergarments) It's a size L, but it's not a very large fit. The thin, form-fitting material is cute. They are discounted as a set, so please consult if you would like to purchase them separately. Material: Combed cotton, spandex - Design: Crew neck, short sleeves Black: Width: Approximately 39cm Sleeve length: Approximately 17cm Length: Approximately 31cm This one is slightly longer. Geometric pattern: Width: Approximately 38cm Sleeve length: Approximately 14cm Length: Approximately 27cm