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  • Mammut - Nirvana Pro 25L Backpack -
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Mammut Nirvana Pro 25L Backpack

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1 Review


Backcountry bliss.

There's nothing more blissful than standing on a summit while the sunrise illuminates fresh, untracked snow in the backcountry, and Mammut's Nirvana Pro 25L Backpack helps you transition faster so you can enjoy the sunrise longer, before it's time to make your way back to the car via faceshots galore. The main compartment has two access points—front and back—so you can access your gear if you have your skis or snowboard strapped to the pack. There are separate carry systems for hydration reservoirs, goggles, radios, and avalanche equipment to keep everything organized for fast-and-easy retrieval. The Contact U Frame suspension system includes EVA padding wrapped in stretchy material for custom-like comfort, and one of the shoulder straps has an insulated cover for your hydration reservoir's tube to prevent freezing water.
  • High-performance touring backpack for skiers and splitboarders
  • 25L capacity suitable for half days spent in the backcountry
  • Contact U Frame increases carrying comfort and load transfer
  • Front loading main access with secondary access at the back
  • Padded shoulder straps and detachable waist belt for comfort
  • Carry systems for skis, snowboards, ice axes, and helmets
  • Pockets for hydration reservoirs, goggles, radios, and avalanche equipment
  • Item #MAM00XQ

Tech Specs

420D nylon ripstop [base] 420D nylon
25L (1525cu in)
Contact U Frame [back panel] padded EVA
Shoulder Straps
padded EVA, adjustable, sternum strap
Waist Belt
padded EVA, adjustable, removable
Hydration Compatible
internal sleeve, insulated hydration tube cover
front panel, back panel
1 zippered internal compartment, 1 goggle, 1 waist belt, 1 avalanche gear compartment, 1 radio
Ski Carry
side, diagonal
Snowboard Carry
Helmet Carry
Ice Axe Carry
20 x 11 x 10in
Claimed Weight
3lb 3oz
Recommended Use
backcountry touring
Manufacturer Warranty

Tech Specs

  • Reviews
  • Q & A

What do you think about this product?

Have questions about this product?

Aaaaaalmost perfect!

  • Familiarity: I've used it several times

This pack is loaded with perfectly-designed details and I find it strikes a great balance of having all the important features without a lot of extra "nifty" features that aren't very valuable. Construction and quality are great. Ski and snowboard carry in any number of configurations and the helmet carrier still works with any of them.
BUT the snowboard carry has a problem. When you actually have a shovel and probe in the avy pocket, they take up too much space for the straps to correctly line up. The top strap is usually fine, but the abrasion-resistant tab on the lower strap ends up nowhere near the edges of the snowboard. Instead, your edges cut into the nylon strap on one side, and push against the side of the plastic buckle on the other. If you tighten the strap in this arrangement, the plastic buckle gets a strong bending force applied to it and will surely break. Plus it doesn't hold the board very firmly as a result. With a lot of fussing and fidgeting (and standing on your pack), the buckle can be made to lay flat, but still the snowboard edges don't line up with the rubber tabs. On a cheaper or less well-designed pack, this would be easy to dismiss, but on an product that is otherwise so well made, it stands out as a glaring issue. My board is a 167 Rossi XV split with Voile hardware and my avy kit is the BD sport package -- totally average kit; nothing oversized or exotic.
So if you this pack. If you splitboard, still buy it. But if you primarily bootpack with a non-split may want to keep looking.