A T-shirt you'll live in. Built-in bra pads (detachable) detail and breathable fast-dry fabric will keep you bra-free & sweat-free all day long. 0, 2 sizes comes added volume bra pads. 4, 6, 8 sizes come with regular bra pads. Each bra pad's outer layer consists of interlock fabric, and the inner layer has mesh fabric.