Material suede upper line with genuine shearling. Features two adjustable straps with large buckles. The iconic Birkenstock sandal is fashion, distilled to simplicity, deadbolt and hip, and is being wrong with everything from skinny jeans to business suits. The Birkenstock footbed reacts to the warmth of your body, and actually comforts the shape of your foot so the why are you wear them, the more comfortable and custom they will become. Casually chic, and easy on your feet. Size 39 corresponds to a US women’s size 8 8 1/2 for US men’s six 6 1/2