SPEEDO Girls Colorblock Splice Ultraback (7-16)Vibrant Longer Lasting Xtra Life LYCRA? Fiber. Sporty back style keeps straps in place. No Wedgie Worries for stay put coverage. If water brings out the kid in all of us, think of what it brings out in children. At Speedo?, we design children's swimsuits with the comfort, style and durability that never get in the way of their fun. And all of our designs feature the modesty discerning parents demand. So grab the kids and dive into fun with Speedo?. Made with Xtra Life Lycra? Fiber After 200 hours of continuous exposure in the pool, this durable fabric is still going strong. Engineered to last 5-10 times longer than ordinary spandex, it resists bagging, sagging and the effects of suntan lotion, skin oils and chlorine, which means you can count on a great-fitting suit, swim after swim.