Ideal for training and frequent pool use, the Speedo Girls Endurance Leaderback Swimsuit is made from an exclusive Speedo Endurance fabric. Designed to last, the Speedo Girls Endurance Leaderback Swimsuit is 100% chlorine resistant to prevent fading and snagging 20 times longer than any other swim fabric. The 4-way stretch feature adds a new level of comfort, soft and secure with a leaderback design, the Speedo Girls Endurance Leaderback Swimsuit is built to last. Fabric: 50% Polyester / 50% Polybutylene 100% Chlorine resistant Fabric resistant to snagging and fading 20 times longer than any other swim fabric Front lined 4-way stretch fabric for added softness Ideal for frequent pool use High durability Comfortable leaderback design aids shoulder movement allowing full flexibility, ideal for training