Size 41. Very gently pre-owned- sole is still in excellent shape, as pictured. Birkenstock Maria conquers for its unmistakable comfort. The midsole is made of cork and is then combined with particularly lightweight synthetic materials that have excellent grip on the ground. This slipper has a "hybrid" design that conquers by its particularity. Maria has a comfortable strap on the instep that makes it adaptable to any type of foot. Birkenstock Maria has all the quality of Made in Germany footwear.