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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
Fast recharge: about 15 minutes in ice water
making the pack stiff and uncomfortable against your skin
so your skin
To recharge
Extra SlimCool Cooling Packs cooling packs Fast recharge: about 15 minutesRefresh your UnderCool 3 with a new set of ThermApparel SlimCool cooling packs designed for comfort, discretion, and all day wear. These lightweight PCM SlimCool cooling packs freeze and melt at 70F (21C). 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 down from the inside out. They