womens and mens kids water shoes barefoot quick-dry aqua socks for beach swim surf yoga exercise (undersea shark, m) watelves <br>ultra lightweight water shoes, flexible and comfortable. possess one pair of this shoes can make you more different and fashionable with individual character, the choice you can't miss. <br> <br> <br><b>size chart:</b> <br> <br>xs: us women: 3.5-4 = insole length 8.03in = eu 34-35 <br> <br>s: us women: 5.5-6.5/men:5-5.5 = insole length 8.46in = eu 36-37 <br> <br>m: us women: 7.5-8.5/men:6.5-7.5 = insole length 9.17in = eu 38-39 <br> <br>l: us women: 9.5-10.5/men:8.5-9 = insole length 9.69in = eu 40-41 <br> <br>xl: us women: 11-12/men:9.5-10 = insole length 10.20in = eu 42-43 <br> <br>xxl: us women: 13-14/men:10.5-11 = insole length 10.71in = eu 44-45 <br> <br>xxxl: us men: 12-13 = insole length 11.22in = eu 46-47 <br> <br> <br><b>occasion:</b> <br>you can use the shoes in many occasions, such as: water park, water class, cruise, hanging out, aqua zumba, aqua therapy, water park employees, waterfall hikes, etc. take our shoes when you go to vacation. when you go to hawaii, mexico, costa rica, caribbean, xplor park, any famous place when you enjoy you free time.