Advantageously, the compartmentalized portable cooler has at least three compartments ranging {HEAD ~ form} ice cold, moderately cold, to non cold temperatures forming {TAIL ~ a temperature gradient construction} 
Advantageously , the compartmentalized portable cooler has at least three compartments ranging { HEAD ~ form } ice cold , moderately cold , to non cold temperatures forming { TAIL ~ a temperature gradient construction }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL