What is a sleeping bag?
A sleeping bag is a bag used when sleeping. Most sleeping bags on the market have the signs of comfort temperature and limit temperature. Comfort temperature is a series of temperatures that users sleep throughout the night, with the highest and lowest limits. The maximum comfort temperature refers to the kind of heat that feels hot in the sleeping bag but not a lot of sweat. The general definition is that the zipper of the sleeping bag is opened, the arm is placed outside, and the head of the sleeping bag is not tightened.
Precautions for the use of sleeping bags
When using a sleeping bag, pay attention to keeping it dry, because the degree of warmth is greatly reduced when the sleeping bag is wet, especially the down sleeping bag, it will not keep warm at all. Therefore, in heavy rain or water activities, protect the backpack from water, or seal the sleeping bag with a waterproof bag in advance.