Mens Medium Sizes: 2 1/2 to 11 (full and half sizes), 12, 13 Mens Wide Sizes: 5 to 13 (full sizes only) Ladies Medium Sizes: 4 1/2 to 13 (full and half sizes), 14, 15 Ladies Wide Sizes: 7 to 15 (full sizes only) Protected split sole designed for indoor and outdoor use, Soft, pliable Napa upper, cushioned insole, Non-marking rubber sole sewn to upper, elastic side inserts