Mammut Trion Guide Backpack


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If you're heading off on another long, sweet mountaineering expedition in the Selkirk backcountry, you just might want to check out the Mammut Trion Guide Backpack. This fully nylon ripstop pack with Motion Butterfly™ adjustable frame, reinforced ski carrier, detachable hip belt and hydration compatible system offers some of the most durable, long-lasting and functional features around. For summit ascents, this versatile backpack can be stripped down in order to form a lightweight, minimalist, on-the-fly pack. Plus, with two-layer, high-density EVA back padding, the Mammut Trion Backpack packs comfort into every step, because we know there will be thousands of them.


  • Material: 330D nylon double-ripstop (upper)
  • 420D nylon ballshadow ripstop (trim)
  • 840D nylon ballistic (base)
  • Motion Butterfly™ 6 mm aluminum adjustable frame
  • 2-layer, high-density EVA back padding, hip and shoulder belts with laminated stretch fabric cover
  • Hydration system compatible
  • Front pocket for crampons with reinforced, abrasion-resistant back panel
  • Height-adjustable lid with internal and external pocket
  • Reinforced ski carrier
  • 2 ultra-stable ice axe carriers
  • Daisy chain gear carrier
  • Rope fixing strap, detachable
  • Compression straps can be tensioned at the side or the front
  • Detachable hip belt
  • Spare hip belt for climbing
  • Dimensions: 64 x 30 x 24 cm
  • Volume: 35 + 7 cu in, 45 + 7 cu in
  • Weight: 1530 g

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Mammut Trion Guide Backpack Photo

Black/ Graphite and Nautica/ Smoke.

Available sizes, while supplies last, include size 35l and size 45l: 35l, 45l.

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