Wigwam Master 100% Cotton Crew Socks , style F1061, are great when you need that soft 100% combed-cotton sized athletic sock. 2x2 true rib leg with a touch of elastic • Smoothed loop toe seam. Size 10 fits 5 1/2 to 8 shoe (Women's 6 1/2 to 9); Size 11 fits 8 1/2 to 10 1/2 shoe (Women's 9 1/2 to 11 1/2); Size 12 fits 10 1/2 to 12 shoe (Women's 11 1/2 to 13); Size 13 fits 12 to 13 shoe.