There are big changes happening in the world of waterproof clothing. They're a long time coming and are great news for the environment BUT we will all need to learn how to use and maintain the new technologies so we can enjoy hill waling, backpacking, trail running, hiking, climbing and mountaineering.

All you need to know about down and synthetic insulated clothing and how to use it effectively to keep you warm while climbing, mountaineering, walking and camping.

There’s a lot of science involved in keeping you dry and like all technical equipment it’s important to know how water proofs work.