These sexy bralettes simply slip on over your head, come complete with adjustable shoulder straps and removable pads. Fabric content: Self 100% Nylon, Lining 95% Polyester, 5% Spandex Fit is true to your regular t-shirt size, labeled Teal Grey (really looks like a greenish color to me) Small = total band circumference measures 24″ Med = total band circumference measures 26″ Large = total band circumference measures 28″ These measurements were taken with the item laying flat unstretched.