Challenging convention, the men's and women's Caldera 35 offer a new concept in mountaineering packs and are the latest additions to the Berghaus Extrem range.
In reply to UKC Gear: Looks interesting but would the zips stand up to being used all the time and freezing?
Even when stripped down it weighs slightly more than the arete 45 which can be found for almost £100 less than this.