Birkis Guam Leather Crossover Strap Sandal U. S. width A-B Fit: This style is available in whole sizes only and tends to run large. If you normally order a 1/2 size it is recommended that you order the next full size down. For example, if you normally purchase a size 7 1/2 we recommend purchasing a size 7. Outsole: Cork Upper: Leather, Birko Flor