Pick the optimum crocs size: crocs use us sizing on the sole; uk sizes follow a one-size conversion (e.g., us m5 | w7 corresponds to uk m4 | w5), if you typically wear a half size, we recommend you order a size up Get the right fit: crocs go by us sizes on the sole, make sure you are on point with the conversion check our size chart below Toe style: round toe Heel type: flat Lifestyle: casual Closure type: pull-on