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Mystery Ranch
Prizefighter 21L Backpack

4.764705882352941 out of 5 stars
17 Reviews

Out of Stock

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Prizefighter 21L Backpack

Just because your day will be spent wandering city streets instead of the usual backwoods trails, doesn't mean your daypack won't require a durable construction. The Mystery Ranch Prizefighter 21L Backpack has the toughness, comfort, and organization you need for both daily adventures and far-flung travels, with a size that's ideal for day-long excursions. The rugged Cordura fabric more than withstands the bumps and bruises of city life, and also resists snags and scrapes when you finally get to escape to the mountains for a long day hike. A full-length plastic frame sheet and comfortable harness help you support heavy loads, and a padded 15-inch laptop sleeve ensures that your computer or tablet will stay in place on winding bike commutes. Other storage features include an internal document and tablet sleeve, as well as two zippered pockets on the front to stash maps and smaller pieces of gear.


  • Durable daypack for city adventures and weekend travels
  • Cordura fabric withstands scrapes and bruises of city life
  • Plastic frame sheet supports your carry when you escape to the trail
  • Top zippered pocket stashes your sunglasses for easy access
  • Padded laptop sleeve keeps your computer secure on bike commutes
  • Interior organizer with document/tablet sleeve for easy-to-find stashing
  • Item #MYT003E
500D Cordura nylon
21L (1270cu in)
front panel
[external] 1 zippered front, 1 zippered sunglasses, [internal] 1 tablet/document sleeve, 1 laptop padded sleeve
Laptop Sleeve
15in, padded
19 x 11.5 x 9.75in
Claimed Weight
2lb 2oz
casual, hiking, travel
Manufacturer Warranty

Overall Rating

5 based on 17 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 4 reviews
5 Stars - 13 reviews

What do you think about this product?


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5 out of 5 stars

November 3, 2022

Carrying capacity without bulk

Love this pack. I wanted a pack that I could fit a lot into without appearing bulky, and this bag does that excellently. I used it as my personal item for air travel and was impressed that it can contain as much as a duffel carry-on. The internal organizing dividers are perfect for laptop, notebooks, etc. The zipper is impressive and rugged. I walked home in the rain with this pack, and all my items inside the pack stayed dry. I also like the little pocket at the top-- perfect for keys, wallet, etc. I also really like that this pack maintains its streamlined/low-profile look even when not completely filled; the design of the lower portion of the pack is such that it doesn't sag or look bunchy even if not completely filled up.


Originally reviewed on

5 out of 5 stars

August 10, 2022

Weekday Warrior

This is a terrific bag for the office or school. Great storage, space for notebooks, a computer, cords, pens, etc. I'm running to work with this bag and it's working beautifully - comfort and capacity are great for this. Could use a space for a water bottle but you could fit a bladder in there with no problems. Love this bag.


Originally reviewed on

5 out of 5 stars

May 6, 2022

Perfect EDC bag!

Perfect size for daily day trips or a airliner. If using for college, it has enough room for one, maybe two, classes worth of materials depending on how thick your books are. Laptop sleeve has plenty of padding and my MacBook Pro 13 fits fine with room to spare.


Originally reviewed on

5 out of 5 stars

October 9, 2021

Solid backpack

I've had the backpack for about 3 weeks, and I have no complaints. So far, it has proved to be clean looking and durable. It expands and can hold a surprising amount of stuff (all of my groceries) and handles weight distribution nicely.


Originally reviewed on

5 out of 5 stars

September 1, 2021

Very solid bag

I bought this bag to replace/update an old Dana Design Kosmo bag that is beginning to show its age after 20years. The straps are more comfortable and thicker. Really like the laptop pocket, keeps 15” mbp safe - don’t need a separate bag/case for it now. The water bottle holder is the only thing missing really from the prizefighter that the old bag had. Nbd tbh. Great style and zippers.

Duke S

Originally reviewed on

4 out of 5 stars

June 7, 2021

*ALMOST* perfect

I wish I could give this pack 5 stars but it is missing a couple features. I ended up sewing in a key clip to the top pocket because my keys kept getting lost in the depths of the pocket. I also sewed some elastic straps to control the adjustment straps as I use this pack on the motorcycle and in the helicopter. I love the suspension system as expected having used MR fire packs for almost a decade now however a waist strap and external bottle holder (or even MOLLE panel in place) would be nice. I have noticed that the pack ends up weighting towards the bottom which makes it carry heavier than it could. I would have liked to have the admin organization in the lower front pocket rather than main pocket but it works. All in all I give this pack an 8/10. It’s sturdy, comfortable and the right size for EDC or even a 2-3 day adventure.


Originally reviewed on

5 out of 5 stars

December 2, 2020

Great backpack for around town and office life

Owned for over a year now and used regularly. Feels like this is going to last a long time. Great pockets for organizing office/school supplies including the handy, protective feeling laptop holder. Comfortable fit. If you're looking for a sturdy backpack for around town can't go wrong here.

Not Lying

Originally reviewed on

5 out of 5 stars

August 29, 2020

Best everyday backpack

I use a backpack for both work but also to carry around on the weekends if we day trip or go on vacation. I have numerous backpacks that I’ve purchased (Fjallraven, Osprey, Tom Bihn) and they may all work or look acceptable for one setting but this is the best backpack that I’ve owned that I can walk into a meeting with or around town and not feel out of place in either. I always look for high quality fabric and zippers, but also need to have logical internal organization (I carry a normal number of items, nothing crazy). This bag delivers that, has two nice outside stash pockets, but also has a fantastic frame sheet that when used with the chest strap distributes the weight across your back perfectly. I think it’s time I stop my never ending search for a cool/functional backpack and sell all the runners up that I’ve previously purchased!


Originally reviewed on

5 out of 5 stars

July 15, 2020

Sleek and slick.

I'm a pack snob for sure. The Prizefighter is a great little computer day pack. Using a shoulder bag leave me sore and disappointed. This pack is comfy and easy to use.


Originally reviewed on

5 out of 5 stars

January 13, 2020

Awesome Backpack

Just like every Mystery Ranch product I own, this pack is filled with great features.


Originally reviewed on