Birki's Women's Super Clogs,Pink,41 M EU / 10-10.5 B(M) US Synthetic 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: Polyurethane Upper: Polyurethane