Speedo Boy's Size Charts Speedo Girl's Size Charts Leave the competition treading in your wake in the Speedo® Swim Jammer. PowerFLEX fabric: • Lycra® Xtra Life™ stretch fabric offers a wider range of motion in and out of the water.• Engineered to last over 200 hours in the pool.• Powerful resistance against chlorine, suntan lotions, and skin oils. • Retains shape up to 10X longer than traditional swimwear. Active Flex elastic waistband offers a protective layer of sun protection and comfortable stretch. Brand logo at left hem. Main: 80% nylon, 20% creora® highclo™ spandex;Lining: 100% polyester. Machine wash, tumble dry. Imported. Measurements: Waist Measurement: 21 in Outseam: 17 in Inseam: 10 in Front Rise: 8 in Back Rise: 9 3/4 in Leg Opening: 6 in Product measurements were taken using size 10 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.