Women's Birkenstock Sahara Birko-Flor in color Futura Khaki, US Size 9-9.5, EU Size 40 In excellent pre-owned condition, worn once. The Birkenstock Sahara for women- designed to bring Birkenstock comfort and support to your favorite trail and water-based activities. These off-road ready sandals feature a direct-attach PU footbed, a rugged PU/TPU outsole for added traction, and sturdy hook and loop closures for a secure fit. The upper is made from the skin-friendly, hard wearing synthetic material Birko-Flor. Made in Germany.