Electric-Heated Sleeping Bag Liner Lets You ‘Sleep Naked’ | GearJunkie - Naked models sleeping bag system
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It's a myth that sleeping naked in a sleeping bag is warmer than wearing in long underwear. Put on some clothes and you'll definitely sleep warmer. An electrically-heated sleeping bag liner has taken off on Kickstarter. Let's start with the simple liner, as it's a basic bag that the Wearable model expands on. rechargeable battery and controlled by a button system that can.