Solid Leaderback One Piece Team Navy One Piece Swimsuits Speedo Girls Endurance+ Leaderback One Piece Speedo Womens Endurance+ Leaderback One Piece Surfection Mosman Speedo Endurance+ Leaderback Red One Piece Women's Club Training Printed Leaderback One Piece Black Pink Speedo USA. Girls Endurance+ Leaderback One Piece with; Round neckline Front lined for modesty Embroidered logo detail Leaderback allows for a wide range of shoulder movement Chlorine resistant thread for durability & longevity Made from: 53% Polyester 47% PBT Polyester (Endurance +) A classic, this much loved style is a kit bag essential, Speedo's popular medalist suit features a smaller back key hole for added support and a medium cut leg for comfy swim sessions. Super durable and built to last, it's made from our exclusive Endurance+ fabric for 100% chlorine resistance.