The heating and cooling means features an array of {HEAD ~ non communicating chambers} enclosing {TAIL ~ packets} containing a thermoresponsive mixture while the protective and insulative means features a layer of resilient material and a layer of fabric backed covering material 
enclosing
The heating and cooling means features an array of { HEAD ~ non communicating chambers } enclosing { TAIL ~ packets } containing a thermoresponsive mixture while the protective and insulative means features a layer of resilient material and a layer of fabric backed covering material
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH