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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
Find your natural waist
If you fall between two sizes on the chart
we've tried
you can cover multiple rounds of cooling in a single day
all‑day cooling you can refreeze
Extra CoolSleeve Cooling Packs Heat sensitivity Find your natural waistRefresh your ThermApparel CoolSleeves with a new set of cooling packs. These lightweight CoolSleeve66 cooling packs sit directly over the radial artery at your wrist and forearm. T Think of it like a heat exchanger: the packs pull heat out of the blood flowing through the artery, and your body circulates that cooled blood back through your entire system, bringing your core temperature down from the inside out and cooling you head to toe. They freeze
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