Speedo endurance medalist girls swimsuit the speedo endurance medalist swimsuit is ideal for swimming lessons and training and has been designed to help aid shoulder movement and flexibility this girls swimsuit has a four way stretch for added softness and comfort with endurance fabric that is 100 chlorine resistant resist snagging with fading taking up to 20 times longer than other swim fabrics swimsuit endurance fabric 20 more fade resistant chlorine resistant 4 way