The Speedo Leaderback One Piece - Black is a classic, much-loved style and kit bag essential. The popular leaderback suit features a open back for extra freedom of movement and a medium cut leg for comfy swim sessions. Super-durable and built to last, it’s made from Speedo exclusive Endurance+ fabric for 100% chlorine resistance. Endurance+ 53% Polyester / 47% PBT Chlorine Grade 5 Leaderback Front Lined Embroidered Logo Chlorine Resistant Thread