Montane cobra 25 backpack cloudburst grey fast mountain multi use super light pack description the cobra 25 was conceived and engineered to be the most versatile of all of the montane pack range light enough to be used on almost any mountain during the day and functional enough to provide lasting use in many mountain activities the cobra 25 is at home on a scottish winter mountain ascent as it is on a summer ultra distance two day event materials raptor tl raptor utl halo lini