Men’s tank top Men’s muscle shirt made from cotton Machine wash Imported Astronomy style 33185 Add some edge to your outfit with this cool men's tank top from Astronomy. Featuring a heavy acid wash effect on an army green body, the Astronomy Foster men's tank top gives another dimension to the everyday basic. At the gym, or out with friends, this edgy men's tank top from Astronomy offers loads of style and lasting comfort. Made from pure cotton.