The Speedo Leaderback One Piece - Limitless is a chic and timeless training swimsuit. The popular Speedo Leaderback has a modern silhouette, an open back and medium leg cut. The Limitless One Piece has a black base with white horizontal stripe full coverage print. There is an embroidered Speedo logo in the middle of the back straps and an Endurance+ logo on the back hip.