The jacket has an inwardly facing surface engaging {HEAD ~ the sidewalls} of {TAIL ~ the sleeves} 
The jacket has an inwardly facing surface engaging { HEAD ~ the sidewalls } of { TAIL ~ the sleeves }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL