Nike Kids Swim Size ChartHave her swimming her best in the Spiderback One-Piece from Nike® Kids. Do your best with adjustable spiderback straps and worry-free fit, for maximum focus and dedication.Double spiderback straps for adjustable fit and comfort.All-over print with printed front graphic.Full coverage.82% polyester, 18% spandex.100% polyester lining.Measurements: One Piece Length: 25 inProduct measurements were taken using size MD (10-12 Big Kids). Please note that measurements may vary by size.If you're not fully satisfied with your purchase, you are welcome to return any unworn and unwashed items with tags intact and original packaging included.