From Birkenstock, the Women's Mayari Adjustable Buckle Criss Cross Sandals feature: Birko-Flor upper made with acrylic and polyamide felt fibers for durability Adjustable straps with buckles Original Birkenstock footbed with pronounced arch support, deep heel cup, and roomy toe box; footbed molds and shapes to your foot Flexible, lightweight EVA outsole for shock resistance and durability Size 7.5 Preowned, there is visible wear on the right sole, please see the last picture 5393