Radix 57L Backpack - Men's
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Why We Like The MYSTERY RANCH Radix 57L Backpack
The MYSTERY RANCH Radix 57L Backpack is the versatile, durable companion with us when we show up in the parking lot with dirt, sweat, and a smile gracing our faces after racking up miles on the trail. The lightweight Ultra-PE Birdseye and Robic ripstop materials are built to handle any condition, ensuring our gear stays safe and compact no matter what the trails throw our way. The lightweight aluminum frame can be removed when we are prioritizing moving light and fast or be left in to provide structure for our gear. Compressible side and front pockets stash away our quick-access items like layers and snacks, and the front hip pockets hold our phone, GPS, and multi-tool. The adjustable harnessing options keep the bag sitting comfortably on our hips and provide a gender-specific, ergonomic fit.
Details
- Technical backpacking pack for chewing up miles on the trail
- 57-liter capacity accommodates all of our overnight gear
- Lightweight materials are durable and strong
- Removable aluminum frame provides support and stability
- Removable waist belt is padded for day-long comfort
- Off-center front zip opening offers quick access to your gear
- Front and side compression straps evenly distribute weight
- Adjustable harnessing for a made-for-you fit
- Item #MYTD048
- Responsible Collection
- Recycled/Repurposed
- Material
- [face fabric] 100% recycled 100D Robic nylon, [bottom, top] Birdseye Ultra-PE
- Volume
- 57L (3635cu in)
- Support/Suspension
- removable 7000 series (aluminum)
- Shoulder Straps
- padded, adjustable
- Waist Belt
- removable, padded, adjustable
- Hydration Compatible
- yes
- Access
- top
- Pockets
- 1 zippered lid, 1 front stash, 2 side stash, 2 zippered hip belt
- Gear Loops
- 2
- Trekking Pole Carry
- 2
- Compression
- side, top
- Dimensions
- 31.75 x 13 x 13in
- Claimed Weight
- 3lb 12.8oz
- Activity
- backpacking
- Manufacturer Warranty
- lifetime
Reviews
Q&A
What do you think about this product?
Overall Rating
4.5 based on 22 ratings
Review Summary
Customer Images
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Selecting an option will reload the available reviews on the pageAugust 6, 2025
Garbage
Garbage. The belt pulls through stitching loop making it impossible to stay on your hips. This review will probably be deleted, because it’s negative. They delete bad reviews.
Originally reviewed on mysteryranch.com
August 4, 2025
Mystery Ranch > Hyperlite
All the accessories that Hyperlite is missing plus an actual frame that’s comfortable. This pack is awesome
Originally reviewed on mysteryranch.com
June 13, 2025
Great lightweight backpack
Haven’t used it yet but so far looks robust and lightweight which I liked a lot
Originally reviewed on mysteryranch.com
May 30, 2025
Good Pack
Put it on and started training!! Have 2 trips this summer A total of of 170 miles!! Adjusted pack to fit right 🤙The Radik 57 fits and feels very tight on back (love that)No bouncing around O have a 31 waist and got a small this time (good move)So far very happy But that’s what you get with Mystery Ranch Super Stoked Steve
Originally reviewed on mysteryranch.com
May 27, 2025
It works
Mystery Ranch! Somewhere between minimalist and frills.
May 4, 2025
Great pack!
Great pack! Good balance between light weight and ability to carry a load. Well thought out design and great quality.
Originally reviewed on mysteryranch.com
April 2, 2025
Nice and light
I have not had a chance to take it for a hike yet but it seems like a great pack. Nice and light. I really like the larger outside pockets.
Originally reviewed on mysteryranch.com
March 16, 2025
Exceeds expectations
I purchased this for my son who is preparing for a backpacking trip, and so far, we, as a family, are all very impressed with the quality of the materials used, the fit as well as the overall, very thoughtful, very intelligent design/construction. We're also sensitive to chemicals, and I'm happy to report that this pack is ideal in that way, too. Nothing noxious about it - whatsoever.
Originally reviewed on mysteryranch.com
February 2, 2025
Hip belt slipping down
Hiked 20 miles in Olympic NP with this pack. The hip belt would slide off my iliac crest way more often than on my other mystery ranch packs. I think to cut weight on the pack the hip belt wings are smaller in height, resulting in less surface area to hold on to your hips and get that locked in feeling. To be far. I had to carry someone else’s bear canister plus mine in an already fully loaded pack. Everything else about this pack is great. If this pack had the endurance yoke like the Bridger series packs, it would be a juggernaut.
Originally reviewed on mysteryranch.com
December 12, 2024
Its a great backpack
I have used several backpacks over the years and the radix 57 is my favorite. It is lite weight, comfortable and the external pockets allows easy access to a lot of gear as needed.
Originally reviewed on mysteryranch.com
Do you have a question about this product?
August 3, 2025
I noticed that my Radix 57 lid doesn't come with straps to make it into a standalone sling bag. Is there an attachment I can buy to make it one?
Originally reviewed on mysteryranch.com
March 6, 2025
Are the pockets on the waist belt removable? Or are they sewn onto the hipbelt?
Originally reviewed on mysteryranch.com
February 21, 2025
Will the Radix 57 accommodate a bear canister?
Originally reviewed on mysteryranch.com
February 2, 2025
I have the Radix 47 but am looking for something that is big enough for winter backpacking and for long trips upwards of a week. How does the size of the radix 57 compare to the 47. How big is the main compartment of the 57 vs the 47? How many more liters
Originally reviewed on mysteryranch.com
October 28, 2024
Is the lid of the 47litre version removable?
Originally reviewed on mysteryranch.com
October 10, 2024
Does Mystery Ranch Radix 57 own an internal hydratation pocket (dimensions of pocket). I have two hydratation bags. 2 liter bag with dimensinos 6.7 x 15.1 In , and 3 liters bag with dimensinos 7.9 x 14.8 In. Are those hydratation bags compatible ?
Originally reviewed on mysteryranch.com
September 27, 2024
Is the lid/brain of this pack waterproof (or at least highly water resistant)? Trying to figure out if I should put the contents of the lid in a dry sack or not
Originally reviewed on mysteryranch.com
August 31, 2024
Does how thick are the shoulder straps? Does it allow for a peak design capture clip (2.5in x 0.88in)?
Originally reviewed on mysteryranch.com
August 27, 2024
Will the Radix 57 fit a Bearvault BV500 horizontally?
Originally reviewed on mysteryranch.com
June 5, 2024
Ultra fabric is almost functionally waterproof. Is the "bag" of this pack (where you'd store your sleeping bag, clothes, etc.) made entirely of Ultra fabric? Would the "bag" of this pack be much more "water resistant" than your all-robic nylon packs?
Originally reviewed on mysteryranch.com
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