Oswego Mixed Leather in Color Concrete Gray | BIRKENSTOCK US。Birkenstock Sneakers Men\'s 42/9 Women\'s 42/11 Grey Leather Slip On Shoes pre-loved, good condition. Leather upper with leather supportive footbed, rubber outsole, Great support just like the sandals, arch, heel and toe room. Unisex sz 42/9 Mes 42/11 Women Thank you so much for stopping by my closet! I\'m always up for a great offer so don\'t be shy and offer away :) My items ship same day or next. Please note that measurements and flaws (if any), will be shown in the photo slide. I LOVE feedback! Proud to be a 5 STAR seller!