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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
Think of them like a mini heat exchanger: placed on pulse points or layered into your gear
They don't sweat or condensate
one on your body
or costume layers
UnderCool 3 Size:XXS Think of them like aWhether 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.