See why UnderCool is the #1 cooling vest around.

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Next Generation Comfort

UnderCool cooling vest is made from breathable and wicking fabrics designed to keep you cool and dry.

 Cooling packs.

Revolutionary Cooling Tech

Our cooling packs keep you cool without causing ice burns so you can wear your vest against your skin.

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Cooling Made For You

UnderCool cooling vest weighs less than 2 lbs! Available in 5 sizes, UnderCool fits any size or shape.


see what others are saying about UnderCool.


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 Gentleman plays basketball with UnderCool cooling vest under his jersey.
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