Originally posted by rascal: The valve is simply to equalize pressures at altitude of you hadnt guessed already and if you happen to leave an air valve open and walk in water the water gets the encapsulated insulation wet and they are about impossible to get dry again.
Originally posted by Danny J: Geno,The black military issue Mickey Mouse boots are the only ones I have ever had. I have heard the white arent as good but I do not know that to be a fact.Danny J