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