Not sure of your European Size? Here is Birkenstock's recommended sizing chart:
Womens:
| EU Size | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 |
| US Size | 4 - 4.5 | 5 - 5.5 | 6 - 6.5 | 7 - 7.5 | 8 - 8.5 | 9 - 9.5 | 10 - 10.5 | 11 - 11.5 | 12 - 12.5 |
Mens:
| EU Size | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 |
| US Size | 8 - 8.5 | 9 - 9.5 | 10 - 10.5 | 11 - 11.5 | 12 - 12.5 | 13 - 13.5 | 14 - 14.5 | 15 - 15.5 |
