Oakland Raiders Contoured Flip Flops - Official NFL 2013 Unisex Flip Flop Beach Shoes Sandals slippers size large Oakland Raiders Contoured Flip Flops - Official NFL 2013 Unisex Flip Flop Beach Shoes Sandals slippers size large large = (Men 10-11) Soles measure approximately .75" thick Quality embroidery Men's sizing: SM fits 6-7, MD fits 8-9, LG fits 10-11, and XL fits 12-13