The inner layer acts a barrier between {TAIL ~ the skin} of the foot and {HEAD ~ the absorbed moisture} 
The inner layer acts a barrier between { TAIL ~ the skin } of the foot and { HEAD ~ the absorbed moisture }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD