Oceanic Fins Size Chart
  X-Small Small/Med Regular XL/2XL
US Men's shoe size 5-7 7-10 10-12 12+
US Women's shoe size 7-9 9-12 12-14 14+
Euro shoe size 37-39 39-44 44-46 46+

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