Knix Teens Bleed Confidence Period-Proof Sport One-Piece Size Small. New with tags! Color: Blue Sea Perfect for all swimmers, it can be worn alone on light days, or with a tampon or menstrual cup on heavy days, and won’t leak whether you’re in or out of the water. Designed with three layers to keep you cool, calm, and protected: Layer 1: A silky-smooth top layer that sits comfortably against the skin Layer 2: A highly-absorbent middle layer designed with our leakproof technology to absorb up to 1-3 tampons worth of period blood. Layer 3: A waterproof outer layer prevents swelling. Features: Fully lined Open racerback for better mobility Removable cups Bum coverage: Medium Super-discreet liner 50+ UPF protection Body: 85% Nylon / 15% Spandex Lining: 85% Nylon / 15% Spandex