These are Birkenstock Betula sandals in blue, size US 10/EU 41 for women. They are slip-on slides with a buckle strap accent, featuring a flat heel and a rubber outsole. The upper material is leather, with a suede lining and leather insole for minimal cushioning. These sandals are suitable for casual wear during the summer, fall, and spring seasons.Excellent Condition All photos are of the actual item for sale and are taken by me. See all photos and please ask any questions you may have. Casual Classic Versatile Staple Comfy Vacation Resortwear Vacation Leather