winter climbing Berghaus MTN Guide 45+ backpack review: a pro pack for mountaineering adventures We load up the Berghaus MTN Guide 45+ backpack to put this key component of the Extrem range to the test in the UK's spectacular winter mountains Ice climbing ratings: a quick guide Our guide to ice climbing ratings covers what they are, why they vary so widely and which system is most commonly used to help you assess your next frozen pursuit Advnture NewsletterAll the latest inspiration, tips and guides to help you plan your next Advnture!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors MOST READ1Garmin announces major software update and new accessories for your watch2Yellowstone Rangers catch tourist peering into Old Faithful, where water temperature at the vent is 204°F3What is scree – and how do you hike on it?4Utah ski resort honors 54-year-old lift ticket vouchers5New AI compass lets you "wander without getting lost"