the colder your feet get, the warmer your body will get.
i ran across a story once about europeans finding natives living near the tip of south america, maybe it was patagonia, and they wore practically nothing though it was freezing cold and wet. the euros(my god, i am descended from those people) thought it a good idea to give the poor heathens clothes. they soon were dying from exposure. the clothes got wet and the wet clothes chilled them and made them die of exposure.