UnderCool 3 all day cooling Each pack is approximately 7"

Each pack is approximately 7" x 2

Up to 35% savings on new ThermApparel cooling packs

or panels by refreezing one set while you wear the other

it wraps around your torso

or active cosplay

UnderCool 3 all day cooling Each pack is approximately 7"Whether 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.