This tank is constructed from a Cotton/Spandex fabric blend with 10% Spandex content. It makes is very comfortable, stretchy and soft in touch. It also makes it more durable and washer friendly. This top is produced in vivid color hues with contrasting trim around the neck and armholes for an overall athletic look. Slim athletic fit. Available in 6 colors, this tank is a must have piece this summer.. or any season for that matter! And hey, it's made in the USA!