The Importance of Vapor Barrier Clothing and Sleeping Bag Liners

There is a difference between what we call insensible and sensible perspiration. Sensible perspiration is the perspiration that you can sense on the surface of your body. Insensible perspiration will be most impactive when you are inactive or in your tent sleeping. The challenges of keeping your hands and feet warm include: dexterity required to perform tasks with fingers, difficulty rewarming digits after frostbite.