Your body shivering is an automatic response for survival as it contracts your muscle to generate heat when thrown into a particularly cold environment.  

The energy demand is high.

The currency of that cost is calories. 

I wanted to know just WHAT happens, WHY, and if we’re able to fix it in the field.  

Who better to discuss the topic than Mr. John Barklow himself?

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Knowledge from Storms. 

Sitka Gear

Montana Knife YouTube Survival Series w/ John. 

Rewarming Drill.