Slip into the Men's Birkenstock Boston Soft Footbed Clogs and buckle up for all-day comfort with a classic design that feels at home no matter your mode. Whether making your daily dash to the corner store, lounging around the house, or heading out on the town with friends, these premium Birks are a prime choice and feel as good as they look. Euro sizing: Please see the conversion for the best size to choose Us 8 = Euro 41, Us 8.5 = Euro 42, Us 9 = Euro 42.5, Us 9.5 = Euro 43, Us 10 = Euro 44, Us 10.5 = Euro 44.5, Us 11 = Euro 45, Us 11.5 = Euro 45.5, Us 12 = Euro 46.