RPCM™ Cool Armor RPCM™ Cool Armor™ is the solution to heat stress created by wearing body armor. This revolutionary body cooling product maintains 59°F for a couple hours and recharges in minutes. It is designed to fit comfortably under all the major brands of body armor without modification. Cool Armor™ weighs 2 lbs., is only 3/4" thick, and provides active cooling. It contains no hazardous ingredients, which means that the cooling formula is harmless if accidentally ingested or enters the blood stream. The RPCM Cool Pack inside the Cool Armor, can be replaced with a recharged pack in under a minute. Get an extra RPCM™ CoolArmor Pack so you will always be cool!