IMPORTANT How to choose correct size? 1.Measure your foot length as the photo. 2.Find the ''US Size'' from the size chart by your foot length 3.Please do not measure the insole length,it is different from the foot length. 4.For accurate size, please dont buy directly according to your countrys European size. Must be according to actual foot length.Measuring Way Unisex Aqua Shoes Men Women Wading Sandals Outdoor Casual Water Slippers Breathable Mesh Hiking Sports Sneakers Beach Sandals