New Clip Back! Clip Back styling is the latest technology in performance swimwear backs, featuring a clip that can close for a sporty, more functional X back style or open for a more comfortable, recreational fit. Made with Speedo Endurance Lite® fabric - All of the performance properties of Endurance+ fabric in a 10% lighter weight that won't weigh you down in the water. Resists sagging, bagging, fading and snagging - a great choice for practice and training.