If you’re heading out into the hills, before you strap on your boots and go striding off into the cold, it’s important to figure out what you’re going to wear first. You might’ve heard of “the layering system” before, but we’re going to break it down and explain the advantages, leaving you free to enjoy the outdoors in confidence and comfort (we can’t guarantee the extent of your comfort if you’re knee deep in a bog battling through a blizzard but hopefully this helps).