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Lithium Speed 20L Backpack

3 out of 5 stars
1 Review

Out of Stock

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Why We Like The Lithium Speed 20L Backpack

Mammut's Lithium Speed 20 Backpack is an all-around mountain player, as long as the trail run, multi-pitch climb, or hike is a fast one. Its Contact Vent system pairs a well-ventilated, cushy back panel with padded shoulder straps and waist belt to ensure comfort on the ascent. The Lithium Speed is hydration-compatible so we can keep our reservoir accessible, and it carries our trekking pole when the ascent gets steep or even vertical. There are plenty of pockets, large and small, to organize our valuables, topo information, and lunch intelligently, so we can skip the rummaging and get back to the trail faster.


  • Lightweight pack for speedy pursuits
  • Contact Vent suspension increases airflow
  • EVA shoulder straps for comfortable carriage
  • Hydration-compatible to keep water on-hand
  • Trekking pole attachment for hands-free hiking
  • Side straps compress the load when under-filled
  • Item #MAM012L
100% nylon
20L (1220cu in)
Contact Vent, EVA foam
Shoulder Straps
Waist Belt
Hydration Compatible
Reservoir Included
2 zippered front, 1 shoulder strap, 1 zippered hip belt
Trekking Pole Carry
side straps
7.5 x 9.4 x 20.1in
Claimed Weight
1lb 4.8oz
hiking, sport climbing, trad climbing, trail running
Manufacturer Warranty
2 years

Overall Rating

3 based on 1 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 1 reviews
4 Stars - 0 reviews
5 Stars - 0 reviews

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3 out of 5 stars

January 9, 2021

Questionable Durability

I've used it once or twice and have initial impressions

I really wanted to like this bag. It's comfortable, light and has just enough features to allow me to stay organized. BUT one of the chest clips that keep the shoulder straps snug fell off during my first trip with it.

Varut S