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