Size Chart:
US10: EUR27: Shoes Inner length: 6.7"
US10.5: EUR28: Shoes Inner length: 7.0"
US12: EUR29: Shoes Inner length: 7.2"
US12.5: EUR30: Shoes Inner length: 7.5"
US13.5: EUR31: Shoes Inner length: 7.8"
US1: EUR32: Shoes Inner length: 8.0"
US2: EUR33: Shoes Inner length: 8.2"
US2.5: EUR34: Shoes Inner length: 8.5"
US3.5: EUR35: Shoes Inner length: 8.7"
US4: EUR36: Shoes Inner length: 9.0"