According to {TAIL ~ one aspect} of the invention, the double sock comprises an inner sock made of a non water absorbent, moisture pervious material which is joined at {HEAD ~ the toe} to an outer sock made of an moisture absorbent material 
According to { TAIL ~ one aspect } of the invention , the double sock comprises an inner sock made of a non water absorbent , moisture pervious material which is joined at { HEAD ~ the toe } to an outer sock made of an moisture absorbent material
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