Size Chart:

US9.5: EUR26: Shoes Inner length: 6.5"

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"