Pay in 4 interest-free payments of $27.50 Learn more
Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
one on your body
Do not iron
Think of it like a heat exchanger: the packs pull heat out of the blood flowing through vessels near your skin
This set includes one black RallyWrap cooling wrap and two sets of ExtendedCool reusable cooling packs
you may only need a Medium UnderCool
UnderCool 3 Size:XXS one on your bodyWhether you're managing heat sensitivity, MS, lupus, fibromyalgia, POTS, or menopause, or you're an actor, cosplayer, or performer who needs to stay cool under a costume, the UnderCool 3 was built for you. Lightweight, concealable, and worn discreetly under your clothes, it delivers 1 to 3 hours of dry, consistent cooling with no ice, no condensation, and no bulk. Trusted by thousands across the US for work, play, travel, and everything in between.