Speedo Endurance+ Medalist Girls Swimsuit Style and quality you can rely on. A kit bag essential, our much-loved medalist suit offers a sleek and modern design. Back straps sit between the shoulders, aiding movement and flexibility, making this suit ideal for training sessions. Our 100% chlorine resistant Endurance+ fabric with 4-way stretch and quick-drying technology, ensures your young swimmer feels comfortable in and out of the pool.