Sizing: X-Small Small Medium Large X-Large XX-Large XXX-Large Men's 3 to 4.5 5 to 6.5 7 to 8.5 9 to 10.5 11 to 12.5 13 to 14.5 15 to 16.5 Women's 4.5 to 6 6.5 to 8 8.5 to 10 10.5 to 12