Optimize your range of motion in the Nike Cut Out swimsuit Tank. It balances medium bust support with minimal bottom coverage for comfort that let's you move freely. A full lining provides a great fit while flat seams help prevent chafing, so it's comfortable to wear for extended lap sessions in the pool. Main 53% Polyester, 47% PBT. Lining 50% Recycled polyester, 50% Polyester.