Euro Sizing, Please see conversion for best size to choose:Us 4 - 4½ = Euro 35US 5 - 5½ = Euro 36US 6 - 6½ = Euro 37US 7 - 7½ = Euro 38US 8 - 8½ Euro = 39US 9 - 9½ = Euro 40US 10 - 10½ = Euro 41The classic Birkenstock silhouette is elevated with edgy flair for these Birkenstock Women's Arizona Rivets Suede Leather Sandals. Crafted with a velvety suede upper with a napped finish, this dual-strap sandal silhouette is equipped with a contoured cork-latex footbed, a supportive Eva midsole, and an all-over metallic rivet stud embellishment.