Birkenstock Boston Oiled Leather Black

If you are between two sizes, choose the next higher, because feet are minimally greater under load. EU US 36 USW5 37 USW6 38 USW7/USM5 39 USW8/USM6 40 USW9/USM7 41 USW10/USM8 42 USW11/USM9 43 USW12/USM10 44 USM11 45 USM12

Upper material: Oiled leather Oiled leather's oily waxed surface makes for a unique colour effect and develops a beautiful patina. The oily finish of our natural leather products results in colour variation, making each and every pair unique. Insole: Natural leather Natural leather can be recognized by its untreated surface. BIRKENSTOCK purposely does not treat surface grains and other characteristic features. BIRKENSTOCK uses sturdy leather with a thickness of 2.8 to 3.2 millimeters as upper material. Footbed material: Cork Cork is a sustainable material extracted from the bark layer of the cork oak. This natural product is insulating and offers very good cushioning. Outsole: EVA EVA (ethylene vinyl acetate) is a high-quality, very light, elastic material with extremely good cushioning. As a result, it smooths out slight irregularities in the floor and ensures that every step is softly cushioned.