... is mainly used for and put the filters in order:
1. Where is it used? In the caravan, where you don't need to carry by yourself? Or at trekking and you have to carry it by yourself?
2. When is it used? Mostly in summer or sometimes when it gets cooler?
3. How tall are you?
4. How humid is it? Do you sleep on the shores of lakes, on boats or in more arid areas?