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Lithium 25L Daypack

5 out of 5 stars
5 Reviews



Why We Like The Lithium 25L Daypack

The Lithium 25L Daypack is a no-joke bag with a serious commitment to keeping your gear compact on your back. Mammut designed it with a Contact U suspension system which gives you enhanced freedom of movement and more stability so you'll never feel like you're swaying. EVA mesh shoulder and back panels let air stream through to keep us feeling fresh as we fight to finish the hike.


  • Sleek bag for technical treks and hikes
  • 25-liters easily packs in a full days essentials
  • Nylon fabric has a high strength-to-weight ratio
  • DWR treatment fends off the light morning moisture
  • Contact U suspension system stabilizes your haul
  • Air-channeled EVA back and shoulders keep you cool
  • Padded hip belt has a quick access cellphone pocket
  • Side compression straps stop your load from moving
  • Item #MAMU5G8
100% nylon, DWR treatment
25L (1525cu in)
Contact U
Shoulder Straps
Waist Belt
detachable, adjustable
Hydration Compatible
Reservoir Included
[external] 1 large zippered front, 1 zippered front, 2 mesh side, 1 zippered waist belt, 1 fold-out waist belt cellphone
Trekking Pole Carry
Rain Cover
integrated, detachable
9 x 20 x 10in
Claimed Weight
1lb 15oz
hiking, mountaineering
Manufacturer Warranty
2 years

Overall Rating

5 based on 5 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
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5 Stars - 5 reviews

What do you think about this product?


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5 out of 5 stars

March 28, 2024

perfect bag

I have used this on hikes and I have used this traveling on the plane, holds the laptop and big enough for everything else.

Christian S

Originally reviewed on

5 out of 5 stars

July 23, 2023

Excellent daypack for travel. I wore this pack while travelling in asia and it was comfortable as well as accessible with so many useful pockets. The ability to remove the waist support strap is also a very unique feature.

Gavin M

Originally reviewed on

5 out of 5 stars

April 12, 2023

So many pockets and storage places. Removable belt strap was key when I needed a lighter pack on a shorter day.

Blaire K

Originally reviewed on

5 out of 5 stars

March 3, 2023

Perfect size for daypack, but adequate for fast and light ice climb or alpine climbs. Very comfortable and breathable. I really like the ice axe tethers on this small bag.

Marcus N

Originally reviewed on

5 out of 5 stars

October 24, 2022

Super high quality and comfortable to use. Great for 4-8hr hikes.

Originally reviewed on