On the exterior surface of the outer sheet 14 a foam layer 17 having {HEAD ~ a thickness} from {TAIL ~ 1/8 inch} to 3/4 inch is secured by sealing it to this surface 
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On the exterior surface of the outer sheet 14 a foam layer 17 having { HEAD ~ a thickness } from { TAIL ~ 1/8 inch } to 3/4 inch is secured by sealing it to this surface
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH