North Face Gaiters Size Chart
  Small Medium Large X-Large
US Men's Shoe Size 5-7 6-9 8-11 10-13
US Women's Shoe Size 6-9 8-11 10-13 13+
UK 3-6 5-8 7-10 9-12
Euro 35-39 38-42 41-45 43-47

These are general guidelines only, sizes are not guaranteed. But no worries, since at SunnySports we offer our exclusive PFF Guaranty