?Below it will help us choose right size for sandals, compare the chart size with your feet length carefully before ordering. Thank you! [Unisex Size Reference] 2 Men/4 Women = EU 35 = 9.02 inch 3 Men/5 Women = EU 36 = 9.25 inch 4 Men/6 Women = EU 37 = 9.53 inch 5 Men/7 Women = EU 38 = 9.80 inch 6 Men/8 Women = EU 39 = 10.08 inch 7 Men/9 Women = EU 40 = 10.24 inch 8 Men/9.5 Women = EU 41 = 10.31 inch 9 Men/10 Women = EU 42 = 10.86 inch 9.5 Men/11 Women = EU 43 = 11.10 inch 10 Men/12 Women = EU 44 = 11.37 inch 11 Men/12.5 Women = EU 45 = 11.61 inch 12 Men/13 Women = EU 46 = 11.90 inch 13 Men/14 Women = EU 47 = 12.16 inch 14 Men/15 Women = EU 48 = 12.44 inch 15 Men/16 Women = EU 49 = 12.72 inch 16 Men/17 Women = EU 50 = 12.99 inch [Kindly Note] These are slide sandals suitable for men and women. Please choose the size that suits you according to the size chart. If you have any questions, please contact us, we will make sure to offer you support and solve all problems.