This is a huge subject and your choice will have a large “weight” on your trip, so you want to think about this very carefully. If you happen to already own a pack that might work you should still consider other options. If this trip is going to end up costing €15,000 or more, then spending €300 or even more on this essential item that will have a large impact on your comfort makes a lot of sense. When choosing a backpack for a world trip, you’re going to want to consider four things: size, weight, comfort, and design. Click on the link below to read more about choosing the right backpack