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Trion 50L Backpack

5 out of 5 stars
1 Review

Out of Stock

Don't worry though, we have a lot more Weekend Packs (3000-4500 cu in) in stock than that.

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Trion 50L Backpack

The Trion collection consists of Mammut's versatile range of backpacks built for trekking and mountaineering, and the Trion 50L Backpack is the second-largest pack in that backpack. Its Contact U Frame consists of cushy EVA and air channels for four-season ventilation. The waist belt is removable customized support if you're carrying a lighter load. There are external attachments for skis, ice axes, trekking poles, and even climbing ropes. The Trion 50L is compatible with hydration reservoirs, and there are multiple pockets to organize smaller valuables.


  • Backpack built for multi-day treks and mountaineering
  • 50L capacity is the second-largest backpack in the Trion collection
  • Top and back panel access points to main compartment
  • Contact U Frame includes cushy EVA with air channels for ventilation
  • Removable waist belt customizes stability and support
  • Attachments for skis, ropes, ice axes, and trekking poles
  • Hydration compatible with reservoirs
  • Item #MAM01BM
100% nylon
50L (3051cu in)
Contact U Frame
Shoulder Straps
EVA padded, adjustable, sternum
Waist Belt
detachable, padded, adjustable
Hydration Compatible
Reservoir Included
top, back panel
2 mesh shoulder straps, 1 zippered front, 1 zippered internal, 1 zippered waist belt
Ice Axe Carry
Trekking Pole Carry
26 x 12.5 x 11in
Claimed Weight
3lb 6oz
Manufacturer Warranty
2 years