Pay in 4 interest-free payments of $12.50 Learn more
Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
and no bulk
1 UnderCool 3 cooling garment in your selected size and color
and worn discreetly under your clothes
With two sets and a refreeze‑and‑swap routine
and how your body handles heat
Extra Headband Cooling Packs coolingvest and no bulkRefresh your ThermApparel Headband with a new set of patented FlexCool66 cooling packs. These lightweight Headband cooling packs freeze at 66F (19C) for safe, gentle skin contact. Think of it like a heat exchanger: placed across your head, the packs pull heat out of the blood flowing through vessels close to the surface of your skin, and your body circulates that cooled blood back through your entire system, bringing your core temperature down from