Insulation is essential to keeping warm in the outdoors, and is usually worn as a mid-layer, or as the outer layer in dry, cold climates. It works by trapping the warmth that our bodies create to maintain our body temperature, but this can be achieved in a variety of ways. 

We've got a huge selection of packs from the best brands on the planet, just waiting to get out there with you - here's everything you need to know to choose yours, and some of our favourites to help you pick one.

Ready to head into the wilderness and prove your survival skills with everything you need on your back? Not so fast. Take a look at these tips to prepare yourself properly, and as soon as you’ve checked them all off, you’re free to head out there. Promise.