Extra ExtendedCool Cooling Packs Number of Packs:4 full costumes

full costumes

Check your cooling packs when they are fully melted (after use

After your order is processed

Perfect for heavy gear

flexible cooling placement

Extra ExtendedCool Cooling Packs Number of Packs:4 full costumesRefresh your ThermApparel UnderCool 3, RallyWrap, and UltraCool cooling vests with a new set of long lasting ExtendedCool cooling packs. ExtendedCool cooling packs freeze and melt at 70F (21C) to deliver strong, comfortable cooling. Think of it like a heat exchanger: the packs pull heat out of the blood flowing through vessels near your skin, and your body circulates that cooled blood back through your entire system, bringing your core temperature