the bag if you need it. once you have the right choice, it is important to know how the sleeping bag works for you. a good sleeping bag should trap in the heat that you are giving off. it is a big mistake when you are so cold and then bundle yourself in multiple layers of pants and jackets before getting into the bag. therefore, it is better to sleep in just a base layer to make sure that the heat will warm the bag up. otherwise, you keep all your heat within your clothes and no heat goes to the sleeping bag.
if you want to add extra warmth, it 