UnderCool 3 Costuming Q: How long does the

Q: How long does the cooling last

or cross-body to put cooling exactly where you need it

bringing your core temperature down from the inside out and cooling you from head to toe

Perfect for anyone managing heat sensitivity

or layered outfits

UnderCool 3 Costuming Q: How long does theWhether 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.