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