
The string (and of course the needle holes) goes straight through the shoe. Now think about the cylinder and the piston in it. The shoe and a foot forms a similar construction and as the foot moves in the shoe, it's like a moving piston in a cylinder. Then the needle holes are like valves guaranteed the water a free passage into the shoe.
So, in practise The shoe sucks the water in!
The Helly Hansen WaterProof leather shoes are a guarantee to wet your feet!
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