Tick anything you already have, in any order. Quests unlock once this is done.
Borrow all three for the first trip if you can. The mat is the one people skip and regret, because cold comes up from the ground, not down from the air.
2 things left above. Quests are real things you go and do, so they only make sense once you have what you need.
First one waiting: Pitch your tent once at home before the trip