Radix 31

Radix 31 is rated 4.6 out of 5 by 7.
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SKU: Radix 31
$219.00

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Lighter, faster…and stronger!

The RADIX 31 was designed knowing a little less weight can make your mountain mission a whole lot better. Crafted from lightweight Ultra-PE Birdseye and durable, recycled Robic Ripstop fabric, this pack takes the edge off those grueling ascents without sacrificing toughness. An array of adjustable features, like a removable frame, and plenty of external pockets helps you master the game of cubic inches. And the option of women’s or men’s harnessing provides a natural and comfortable fit.

  • Removable 7000 Series, aerospace aluminum frame offers just the right load-bearing support for what your mountain mission requires
  • Removable and repairable compression web and repairable trim means that this pack won’t be wearing out anytime soon
  • Off-center zipper for more convenient accessibility
  • Removable pocketed waistbelts keep your essentials close at hand on the trail
  • Adjustable lightweight harnessing makes your hike that much more comfortable
  • Easily compressible front and side pockets are perfect for holding light layers, water bottles, and/or things you need to get to or stash away quickly
  • Men’s and women’s harnessing options for a superior ergonomic fit with your body
  • Hydration reservoir compatible
  • Technical Ultra-PE Birdseye
  • Recycled 100D Robic Ripstop
  • YKK® zippers
NameUPC Code
Radix 31-Black/Hunter-S888564208281
Radix 31-Black/Hunter-M888564208274
Radix 31-Black/Hunter-L888564208236
Radix 31-Black/Hunter-XL888564208243
Radix 31-White/Hunter-S888564208304
Radix 31-White/Hunter-M888564208298
Radix 31-White/Hunter-L888564208250
Radix 31-White/Hunter-XL888564208267
CAGE Code:3HXV1
DUNS Number:059122783
Weight
3.1 lb
Volume
1755 cu-ins
Dimensions
23"x12"x9.5"
Harnessing Style
Framed
Rated 5 out of 5 by from Light weight, but still carries weight comfotablyI have an older version of Coulee 40 which I use regularly. It is super durable and I live the tri-zip access...but it is a bit on the bulky/heavy side. I swapped out for the Radix 31 and have used it on several hikes. I've loaded it with around 35lbs for testing and it carries very well. It feels a bit more comfortable than my coulee. The shoulder straps sit better and the pack seems to move with me better. I'm sacrificing a bit on ease of access into the main compartment, and there is no brain, but it's worth it for the weight savings and comfort.
Date published: 2024-03-03
Rated 5 out of 5 by from Comfy, light, and yet beefyI just got this pack today and haven't used it yet, but I'm in love already. I can tell it will be really comfortable with heavy loads. Love the hip belt pockets for easy access while hiking. I also really like the outside compression straps in order to cinch down smaller loads. I needed a pack this size that is a bit larger than a day pack. It will be perfect for an inn to inn hike I'm doing in Solvenia in the fall. This pack will easily accommodate a 1-2 night hike. My only nit-pick is why no small zipper pocket on the lid? I'll be taking this as carry-on, and having an easily accessible but secure pocket on the outside would be nice for passport, wallet, gum, phone, etc. I didn't even notice it didn't have one when I was looking on-line. My bad, that's on me, I'll figure something out.
Date published: 2024-03-08
Rated 5 out of 5 by from Great pack with so much potentialI got this about a month ago. I have used it on three long day hikes so far. The build quality is up the Mystery Ranch's high standards, materials are holding up great for off trail bushwhacking in the Canadian Rockies. Simply love the Coulee style Yoke setup, super adjustable for the perfect fit.
Date published: 2024-02-09
Rated 5 out of 5 by from Pleasantly surprisedI come from the world of backpacking and thinking, not necessarily hunting, or fire, so for many years - despite hearing constantly about MRs yoke and suspension system being superior I never got too interested. I don’t want or need to blend in to my surroundings. I want to stand out after the bear chases me off the cliff and I fall 200ft. I want SAR to see me. With that said.The Radix is an awesome pack. The week I got it - I took it out on a 9 mile hike and this weekend I’ll take it out on a 13 mile hike. It is light weight and comfortable out of the box, comparable to my Osprey Stratos 34 AG from Osprey but with less weight.I purchased this pack with the intent of taking it to Kilimanjaro as my day pack because of the suspension system and it being lighter than my Osprey. So far - and with many more miles and maybe some tenacious tape for good measure, I feel like I made the right choice. Solid pack, solid engineering, but without the weight I normally associate comfortable packs with.
Date published: 2024-03-15
Rated 5 out of 5 by from Great featuresMy first experience with Radix 31. I am happy. it is very easy and very comfortable for a hike of 13 km up to 1600 m.
Date published: 2024-04-05
Rated 3 out of 5 by from Ok packYou have a choice, large cumbersome feeling pack or a smaller limited use pack. I want a moderate pack for hunting first and other use second. The bag configuration is another story.
Date published: 2024-05-29
Rated 4 out of 5 by from Light Weight & StylishAfter trying out the Bridger 35 for I bit I opted for this pack because it was a familiar and comfortable yoke combined with a light weight construction. Of course only slightly smaller than the Bridger 35, I was sup surprised to see that the Radix 31 seemed to give me more usable space for the same load (odd?). Plus it has the outer pockets to carry the quick access items I wanted to stow. It’s still very comfortable but I do think the Bridger yoke is much more comfortable than this design. But it doesn’t have the chest pouches. Couple drawbacks of the Radix 32. It doesn’t have a top flap pouch! Why not? And to get into the bag, although not difficult, it takes a few extra steps to completely unzip to gain access to the bottom of the bag. I’m planning to do the Tour du Mont Blanc with bag drops along the way this fall (no need to pack a tent, sleeping bag, etc.) so I needed a lightweight and comfortable bag to carry just the essentials for the day and a few extra items as needed. This bag fit the bill to be comfortable and light. I recommend.
Date published: 2024-06-03
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