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Mystery Ranch
Glacier 71L Backpack

4.676470588235294 out of 5 stars
34 Reviews


Size Chart


Why We Like The Glacier 71L Backpack

Whether we're heading to the Wind River Range for a week or simply hopping off the bus in Denali National Park for a couple nights in the wilderness, the Mystery Ranch Glacier 71L Backpack always comes with us to get the job done. This durable pack offers ample space for multi-day missions, and its classic style is right at home on any trail.

The Glacier features the new lightweight Astral Frame, which draws on Mystery Ranch's expertise in designing packs for the military, keeping your fully-loaded pack supported and stable when you're tackling daunting terrain. Don't worry about chilly nights because the Speedzip compartment accommodates the warmest, bulkiest sleeping bags. Plus, the lid detaches for use as a day pack on quick trips from basecamp—the back yoke can be detached from the main pack and transferred to the daypack for comfortable carry.


  • Mid-sized pack for quick weekend or week-long backpacking trips
  • Astral Frame delivers lightweight load-bearing support
  • 500D Cordura fabric is ultra-tough and abrasion-resistant
  • Top-loading design with side zip for easy access
  • Speedzip compartment offers easy access to sleeping bag
  • Side compression straps lock down load
  • Ice axe/trekking pole loops secure bulky tools
  • Side water bottle pockets keep hydration within easy reach
  • Item #MYTD02E
500D Lite Plus Cordura
71L (4320cu in)
Astral Frame
Shoulder Straps
padded, adjustable, detachable
Waist Belt
padded, adjustable, detachable
Hydration Compatible
2 zippered lid, 2 side water bottle, 2 vertical long zippered
Gear Loops
daisy chain
Ice Axe Carry
Trekking Pole Carry
Sleeping Bag Compartment
SpeedZip compartment
Detachable Daypack
convertible daypack lid
cross with buckle release
34.5 x 13.5 x 13.5in
Claimed Weight
6lb 6.4oz
Manufacturer Warranty

Overall Rating

4.5 based on 34 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 1 reviews
3 Stars - 0 reviews
4 Stars - 8 reviews
5 Stars - 25 reviews

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

What do you think about this product?


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4 out of 5 stars

February 16, 2024

Comfortable and Durable

I used this pack for roughly 500 miles last summer as a backpacking guide in New Mexico and loved it. It's the perfect amount of space for all of my gear including keeping my tent internally. The storage spaces in the brain and the torpedo style storage on the pack itself are excellent for smaller things. I kept my rain jacket in the front half of the cube and all of my maps, compass, headlamp, and some snacks in the back half. I kept toiletries and first aid stuff in the torpedo tubes. I'm a huge fan of how the sleeping bag compartment is laid out. My only gripe is that the water bottle holders are perfectly sized for one Nalgene each. I personally don't go through more than two in a day, but I do wish I didn't have to have water bottles kept internally. Of course, the MR frames are the best in the world. I'm 6'1" varying between 175 and 155 depending on the time of the season, and it fit perfectly no matter what. I would highly recommend this pack to anyone who can afford it.


Originally reviewed on

4 out of 5 stars

July 15, 2023

mostly good

I purchased the pack a few weeks ago and have used it extensively since. First on shorter trips in the White Mountains, where it was far from reaching its limit, then during three weeks of backpacking in Iceland, where it did show some shortcomings. Let's start with the good: It's (mostly) well-made and sturdy. It fits me well, and carries reasonable heavy loads with ease and (relative) comfort. At the onset of my hikes I packed between 40-50 pounds and the pack handled it well. The load was stable, and my back stayed surprisingly dry most days - even on the uphills. The long external pockets in the back and the lid pockets held most of my small stuff, and the side access provided easy access to most of the rest. Even when fully packed, the pack has a nice, clean look. I like that. The top pocket converts into a tiny backpack. It works, but I carried a super lightweight backpack for that job. It's faster and saves me from reorganizing stuff from those pockets while Overall, the Glacier carried all my gear for several weeks and carried it well. Now, where could it be improved: The hipbelt has MOLLE attachments for various gadgets. Two simple hip belt pockets would have been more useful. The water bottle pockets are a joke and my biggest gripe. They are way too small, even for a 1l Nalgene, when the pack is full. My bottles slipped out several times because the pockets are not big/deep enough. They are almost impossible to access while wearing the pack. Worse: the sretchy material is a poor choice: After 4 weeks, one of the pockets already has a hole in it (see image). When the pack was fully loaded, the bottle could not be fully seated, and the stretchy fabric was very tight. While I like the clean look of the pack, on wet days I envied my friends who had nice stretchy pockets at the back of their packs, which took a wet tent fly or rain jacket with ease. I had to lash the fly to the outside. No big deal, but annoying. Lastly, the pack is mostly well-designed, but seems over-engineered at times. The chest strap, for example: The buckles are a multi-part affair, which will probably survive a war, but fail to do their job: slide easily up and down to allow for strap adjustment. Nobody, so far has figured out why they are so complicated. The waterbottle pockets have been discussed before: poor shape, poor choice of materials. The vertical straps that hold the lid down fall right over the access zippers for the two to long exterior pockets. The divider between the sleeping bag compartment and the rest of the pack can be opened by unbuckling two heavy-duty buckles, but the buckles are so big that there is a big gap between the two compartments and stuff slides through. Other packs do a better job here. Despite these negatives I am still happy with the pack. I had my last pack for over 15 years. This one will probably last as long.

user image

Originally reviewed on

2 out of 5 stars

February 28, 2023

I truly wanted to like this pack.

I bought this pack for a larger cold weather pack as I needed the space for my cold wether gear. I own several mystery ranch packs and love each of them. The quality and workmanship is like no other. Unfortunately this pack just does not work for me. I fit it properly and it rides so differently than any other pack I have had in Turn killing my back and hips at the end of the day. It may be great for others just jot me.


Originally reviewed on

5 out of 5 stars

December 16, 2022

Great backpack.

Great backpack, look forward to years of use. Features, quality of construction, and fit are exceptional.

Bob C

Originally reviewed on

5 out of 5 stars

October 15, 2022

After 2300 miles, I would buy this pack again.

Did the AT last year. I started out with an Osprey 60L pack, but it was full to the point I was afraid of losing items in the exterior mesh compartment. After a few days of hiking, I was in an outfitter buying fuel and saw a store employee putting this pack on display. I ended up buying this pack primarily to gain the 10L of capacity, but man was I in for so much more! Partly because I was doing the trail with my dog, and due to my preference to hike fewer miles and carry more food, I was hitting about 54 pounds of total pack weight on average after a resupply. This pack handles these kinds of loads (and more) more comfortably than any other pack I've worn before. I quickly came to love the "double brain" (having two separated pouches in the top compartment). The "torpedo tube" design for the exterior pouches running up and down the pack on the back are also a great feature. Unlike another reviewer, felt that the design of the bottom compartment was well done, convenient, and worth the extra weight. I personally don't use this compartment for my sleeping bag, I use it for my tent. Being able to transfer the entire contents of my kit into the pack and then pack the tent in the bottom compartment with exterior is a great feature, especially if it's raining. I also was able to easily slip multiple 1L bottles into a single side pocket. Hard to imagine a Nalgene not fitting in there. There was exactly one thing I did not like about this pack. As another reviewer mentioned, the webbing material used for the strapping seems particularly prone to slippage in the regulators. Or perhaps the plastic regulators themselves are the issue (doubtful). Whatever the case, there simply isn't a high enough coefficient of friction where the webbing and regulators interface, particularly when the straps are wet. I was advised by another hiker to replace the regulators with milspec repair regulators, but I never got around to it because I chose to knot the tails of the shoulder straps to eliminate slippage. While a non-ideal solution, it was super effective. I never had any substantial problems with the hip belt, so no knotting required. All in all, this pack did everything I asked of it over 2300+ miles of use and abuse. I would definitely recommend this pack to anyone planning to carry a 30+ pound base weight.

user image

Originally reviewed on

5 out of 5 stars

July 6, 2022


I've used it several times
Size Bought:
5' 5"

I have/had a Glacier but it was a little small so my girlfriend has it. I bet it is bear proof. The first thing I did was waterproof it. It carries heavy loads very comfortabley. I am 60 years old and 140 pounds. It seems a bit weird to carry a heavy pack but the feel is how well its made to haul equipment and this is comfortable, a bit hot but then again I live in Alaska, and super sturdy and very ajustable. The hip belt is amply padded and that is where you need to be carrying your load. Its easy to attatch my first aid pack to the left side of my hip belt and the bear spray (in a Mystery Ranch holster) on my right side. Mystery Ranch is worth your attention if you are not a gram weanie.

Mikhail B
5 out of 5 stars

June 13, 2022

Love it

Bought this pack for my son so we could do a 50 miler this summer. Wonderful pack similar to my old G-6000 but with improvements. Couldn't be happier


Originally reviewed on

5 out of 5 stars

March 3, 2022

Quality build, Great features.

very comfortable quality built bag. Can’t go wrong with Mystery Ranch.

Originally reviewed on

5 out of 5 stars

November 10, 2021


First i would like to say, the customer service is quite good after dealing with them. Now for the bags sake. I have yet to actually field it but after going through an Elberstock FACTRAC and ALICE pack, all i have to say is the quality is the same if not better in alot of cases. Every part of this bag has a purpose and from what i can see so far, i wouldn't change anything.


Originally reviewed on

5 out of 5 stars

August 6, 2021

Great Organization features

I hauled food and a heavy tent plus my own gear on a quick altitude gain trip three days after the pack arrived on my doorstep. I needed the space and the Glacier came through. I really like the zip out lower compartment because it made it easy to pack my sleeping bag and a couple other items. The main compartment is really roomy. And the outer pockets were great for my clothing and extra water. I love the larger zippers and the sturdy construction of the pack with the heavier denier nylon. The frame fit perfect for me and required no adjusting. The Only issue I experienced was the XL waist belt was too big, so I had to order the next size down (when I ordered the pack, there were no large sizes available in my color and I needed the pack quickly). Make sure you order the right size! The Glacier is my new work mule! I love it!

Steve NW Mountaineering

Originally reviewed on