Speedo Womens Lifeguard Endurance Voyager Y-Back Swimsuit 50% polyester/50% pbt Endurance+ polyester fabric lasts 20 times longer to give you more value for your money Resists bagging, sagging, and the effects of suntan lotion, skin oils, and chlorine Skinny strap low y-back styling with contemporary cut Full front and back liner with prominent lifeguard logo identification on chest Made by speedo, the world's #1 swim brand