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