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Another hiking backpack

  
 
GroovyGeek
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p.1 #1 · Another hiking backpack


Mamut Trion Spine 50
https://www.rei.com/product/236622/mammut-trion-spine-50-pack

If you can find it. Has been out of production for a few years, but still occasionally available on eBay from Japanese sellers at reasonable price (around $250 for the shell).

Note that this is VERY different from the Mamut Trion 50. It is water-proof. And it has a much better adjustable harness. ICUs fit absolutely perfectly in it. Front access. Collapses to (mostly) airline legal size despite the 50L designation - 24" if you don't use the expansion tube under the brain.

Only downside is no water bottle pockets, which is not too difficult to resolve.

Yes, I now own yet another backpack... Sue me!



Aug 11, 2025 at 09:13 PM
MRomine
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p.1 #2 · Another hiking backpack


GroovyGeek wrote:
Yes, I now own yet another backpack... Sue me!


King of the ole backpacks!



Aug 13, 2025 at 08:26 AM
AZHeaven
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p.1 #3 · Another hiking backpack


At my age...nearing 68, and with all the work I've done in my life my back suffers. I'm near Terminator ready when they eventually take over with 2 knee replacements, both shoulders worked on (no replacements thankfully) and both thumb joints and my L4-5 vertebrae starting to compress I have a difficult time carrying my Lowepro Flipside 300 AWIII even with just one small lens in it.
So I'm trying to get the wife onboard with getting a proper hiking backpack to go out and about with. Looking at a Gregory Citro 24 or Osprey Stratos 24.



Aug 25, 2025 at 10:31 AM
hiepphotog
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p.1 #4 · Another hiking backpack


GroovyGeek wrote:
Mamut Trion Spine 50
https://www.rei.com/product/236622/mammut-trion-spine-50-pack

If you can find it. Has been out of production for a few years, but still occasionally available on eBay from Japanese sellers at reasonable price (around $250 for the shell).

Note that this is VERY different from the Mamut Trion 50. It is water-proof. And it has a much better adjustable harness. ICUs fit absolutely perfectly in it. Front access. Collapses to (mostly) airline legal size despite the 50L designation - 24" if you don't use the expansion tube under the brain.

Only downside is no water bottle pockets, which is not too difficult to resolve.

Yes, I now
...Show more

I have the 35L version. Great pack. Though it is on the heavier side....



Aug 26, 2025 at 04:06 AM
hiepphotog
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p.1 #5 · Another hiking backpack


AZHeaven wrote:
At my age...nearing 68, and with all the work I've done in my life my back suffers. I'm near Terminator ready when they eventually take over with 2 knee replacements, both shoulders worked on (no replacements thankfully) and both thumb joints and my L4-5 vertebrae starting to compress I have a difficult time carrying my Lowepro Flipside 300 AWIII even with just one small lens in it.
So I'm trying to get the wife onboard with getting a proper hiking backpack to go out and about with. Looking at a Gregory Citro 24 or Osprey Stratos 24.


The best weight transfer, IMO, is the Osprey UNLTD series. I have the smaller 32 version, and it is great. The larger version had great feedback from people with vertebral issues.



Aug 26, 2025 at 04:09 AM
 


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gdanmitchell
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p.1 #6 · Another hiking backpack


I also have some Osprey packs and like them a great deal. But in addition I use Mountainsmith (an old Auspex model) and Gregory (also an older model with a very light design).

A factor that I think gets overlooked when comparing packs is the importance of how individual models fit the user’s personal physique… and then setting up and adjusting the pack to their anatomy.

I remember learning this a coupe of decades ago with a pair of Mountainsmith packs. I’ve forgotten the specific model names now (though I still have one of them hanging in my garage!) but I had tried one model initially and was unimpressed by the comfort of the carry. I was about to give up on the brand when I tried a different model from them and spend some time fine-tuning all of the various adjustment straps… after which if felt great!

Edited on Sep 06, 2025 at 09:30 AM · View previous versions



Aug 26, 2025 at 09:24 AM
GroovyGeek
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p.1 #7 · Another hiking backpack




gdanmitchell wrote:
I also have some Osprey packs and like them a great deal. But in addition I use Mountainsmith (an old Auspex model) and Gregory (also an older model with a very light design).

Factors that I think gets overlooked a lot when comparing packs are the importance of how individual models fit the users’ physique and of setting up and adjusting the pack to each persons anatomy.

I remember learning this a coupe of decades ago with a pair of Mountainsmith packs. I’ve forgotten the specific model names now (though I still have one of them hanging in my garage!) but I
...Show more

Yup. Mystery Ranch packs are very well built, but have never fit me well. Osprey does not have the features I want in their 45-50L packs. Gregory used to be a great pack and in many ways is still the best tradeoffs for my needs, but since the Samsonite buyout quality has taken a hit.



Aug 28, 2025 at 07:34 PM
xicimummy
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p.1 #8 · Another hiking backpack


nice finding!
I have a couple Osprey, want to try something different.



Aug 28, 2025 at 09:15 PM
bernardl
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p.1 #9 · Another hiking backpack


Thanks for the Mammut report, interesting!

I am also a bit of a backpack freak... currently using mostly the following:
- Gregory Zulu 40: great for general use, light, comfortable, the front opens for easy access, superb build quality

- ZPacks 55: super light (<600gr), water proof, pretty conformable but no zipped pockets at all, a small tripod fits at the bottom which is great

- [New] Yama to Michi One (50): super light (<600 gr), one large zipped pocked, pretty comfortable but not water proof from an innovative Japanese brand. I just did a 1,500+m vertical and 25km over 3 days (14+ hours walk total) in the Japanese Northern Alps around Hakuba with the GFX kit (GFX-100II, 20-35mm f4, 120mm f4, RRS pano head and RRS travel tripod) and the Yama to Michi this weekend. A few hours heavy rain and river like rocky trails. A bit on the rough side.

The pack was a bit heavier than I would like, around 15kg. And this was a bit too much for the Yama to Michi. Manageable but not very comfortable as I ended up with a painful back on the 3 days (perhaps a mismatch with my back shape, hard to say). Not unexpected as it is several kgs about the recommended weight for this super light design. Overall it is still a very nice concept. It should be great for lighter trips without heavy camera equipment.

- various others from Osprey (Unlimited 60), Mammut, Gregory (75l), 3 from Aarn packs from New Zealand (most comfortable with chest bags)

- [New] ULA Ultra Circuit SV. I love this pack. No zipped external pocket outside the belt is its practical downside I can see. In a way it is a more comfortable, and slighly heavier and sturdier, version of the ZPacks able to deal comfortably with higher loads (they quote 35 pound as the comfort limit, around 16kg). I tested this pack in a +1,500m vertical walk in the Japanese Alps on Sept 23-24 and it was perfect. I was carrying a Z8, 20mm f1.8 S, Zeiss Otus ML 50mm f1.4 and Leica 180mm f2.8 APO + an RSS travel tripod and pano head. Around 15 kg.

Cheers,
Bernard

Edited on Sep 26, 2025 at 12:15 AM · View previous versions



Sep 04, 2025 at 03:42 AM
Shedugengan
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p.1 #10 · Another hiking backpack


To highlight how we are all a little different physically, I tried the two Trion 50 packs a few years ago. Love the design, but I couldn't get them to sit comfortably on me.

The pack that I hardly notice for miles and miles of hiking is the Atlas Athlete (the larger Adventure fits even better, but I rarely want that much space for a day hike).



Sep 06, 2025 at 06:43 AM







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