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The UnderWarmer® is a single-use, HEATED base-layer compression fitted shirt for cold weather activities. 8 AIR ACTIVATED HEAT PACKS are built-in, STAYING WARM FOR OVER 10 HOURS.

Warm Clothes For The Winter, Heated Shirt For Cold Weather Activities

 

 
 
 
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Air Activated And Ready in 30 Minutes- Air activated heat packs mean that you’re ready for the cold at a moment’s notice. It’s the best way to stay warm with zero prep – no charging needed. Simply open the package, pull on the shirt, and feel the warmth (up to100°F/38°C) heating up your core.

Feel Snug And Gently Stimulated– The UnderWarmer is a soft, lightweight compression shirt. So it feels really, really good. But most importantly, that snug fit means the warmth stays right where you need it – near your skin. (Make sure to use our detailed size chart and diagram to choose the best size to fit your upper body so you get the ultimate UnderWarmer experience.)

Perfect For Cold Weather Activities– You always thought that you had to choose between your favorite winter activity and staying warm. But no longer. Whether you’re deer hunting, ice fishing, hiking or camping in the cold outdoors, the UnderWarmer heated shirt will make it a wonderfully warm experience.

Great Gift For Football Fans – Gift your tailgating spouses and buddies (or yourself!) with a way to enjoy cold weather football games AND stay warm.

 

Headed Outdoors or To The Game?… Better Get an UnderWarmer!!!

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UnderWarmer Heated Shirt Stays Hot for Over 10 Hours
UnderWarmer Heated Shirt is Air Activated With 8 Built in Heat Packs
UnderWarmer Heated Shirt Heats To Over 100 Degrees and is the Best Way to Stay Warm All Day

Enjoy your winter activities like never before!

The UnderWarmer heated shirt is convenient, super comfortable and best of all- it works really well! UnderWarmer was specifically designed to be affordable and convenient for the everyday guy or gal spending a long day in the cold.

Unlike hand warmers and foot warmers, which only help extremeties that have already gotten cold, the UnderWarmer PREVENTS your CORE from getting cold which causes cold extremities. How? Because a cold body core is the cause of icy extremities. Best of all, unlike all those bulky layers you’ve tried, the UnderWarmer is extremly lightweight and won’t slow you down.

Whether you are tailgating all day, hunting, fishing, or going for a long motorcycle ride you CAN stay warm for the entire day, even in negative digits. For just a few bucks, you have a portable, wearable radiator, ready to go when you are. Just grab your UnderWarmer!

It’s a no brainer.

Jeff Pfeifer, Avid Outdoorsman
Loved it .. kept me warm the whole day ..
I’ll be wearing one to every cold game this season!”
Riley Reynolds



UnderWarmer Heated Shirt Packaging

The UnderWarmer® – $14.99 w/FREE GROUND SHIPPING!

The best way to stay warm all day in the cold!

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