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Mystery Ranch
3 Way 18 Expandable Briefcase

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$199.00
Color:Black

Size:

Size Chart

Quantity


Why We Like the MYSTERY RANCH 3 Way 18 Backpack

Depending on what our daily adventure is looking like, we can rock the MYSTERY RANCH 3 Way 18 Backpack as a shoulder bag or a backpack. The CORDURA construction handles daily wear and tear with ease, while the versatile strap design keeps our hands free and fits in with what we are doing.


Details

  • Versatile pack designed for daily adventures near and far
  • CORDURA fabric offers abrasion resistance and comfort
  • 18L capacity balances comfort with carry capacity
  • Shoulder and backpack straps offer dual carry options
  • Laptop sleeve keeps your data securely nearby
  • Small front organization helps you grab your gear on the go
  • Item #MYTD03U
Material
CORDURA
Volume
18L (1100cu in)
Shoulder Straps
adjustable, removable, backpack
Waist Belt
none
Access
top
Pockets
main, laptop, front accessory
Laptop Sleeve
15in
Dimensions
9 x 14.5 x 7in
Claimed Weight
32oz
Activity
casual, travel, commuting
Manufacturer Warranty
lifetime

What do you think about this product?

Overall Rating

4.5 based on 55 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 1 reviews
4 Stars - 17 reviews
5 Stars - 37 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

Customer Images

Here's what customers have to say

The reviews for this expandable briefcase are overwhelmingly positive. Customers praise the product's high quality, thoughtful design, and versatility, noting it can accommodate a wide range of items without feeling overly bulky. The ability to switch between carrying modes is also highlighted as a key feature. Minor criticisms include the shoulder strap being slightly uncomfortable when heavily loaded and the zippers being stiff initially. However, most customers are extremely satisfied and would highly recommend the briefcase as a well-designed, functional everyday work and travel bag.

AI-generated from the text of customer reviews.

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5 out of 5 stars

September 30, 2025

Best bag ever.

I have been carrying this every day for about a month. It is probably the best bag I have ever had. The pockets make sense. It’s well made and sturdy. I have been carrying it as a shoulder bag. Excellent product. Worth the money.

user image
Tim2007
mysteryranch.com

Originally reviewed on mysteryranch.com

5 out of 5 stars

September 27, 2025

Well constructed!

This bag carries all my gear, yet isn't too bulky. It has multiple ways to carry it reducing the load in my hands. It is so well built and designed. Exactly what I needed!

Jdgwyo
mysteryranch.com

Originally reviewed on mysteryranch.com

4 out of 5 stars

September 20, 2025

Shoulder strap hell

Four out of five for the horrible shoulder strap. Perfect otherwise. Had to buy a Bihn to make it a five myself.

Bruised
mysteryranch.com

Originally reviewed on mysteryranch.com

4 out of 5 stars

September 20, 2025

Great bag just needs a few refinements

Extremely well built bag. A lot of storage and excellent layout. Two things I would change. As everyone says, a better shoulder strap. The one that comes with wit is junk. I ended up using the old one from my previous laptop bag. Second I would make some pen slots in the pockets. It has several pockets in each section but would be nice to have one that has 2/3 skinny pen spots so you could put them in and access them easily. Overall still very happy with the bag. Quality construction consistent with Mystery Ranch and I am sure the bag will hold up and hopefully last me a long time.

user image
SmithLAFD
mysteryranch.com

Originally reviewed on mysteryranch.com

5 out of 5 stars

August 11, 2025

Tactical Briefcase

I am very pleased with the briefcase. The functionality and quality are top-notch and fit all of my needs. I work in a rugged environment as a Marine, but I still need to maintain a professional demeanor. I highly recommend this product for the everyday executive leader professional.

USMC
mysteryranch.com

Originally reviewed on mysteryranch.com

5 out of 5 stars

June 26, 2025

Great organization style

I bought this about a month ago and wanted to see how this would be to travel. This has been able to fit my personal and govt laptop, two set clothes and my hygiene bag. I have yet to expand it, but it fits perfectly under my seat and able to carry all my essentials needed when I go for assignments.

Berk
mysteryranch.com

Originally reviewed on mysteryranch.com

4 out of 5 stars

May 18, 2025

Great bag!

Familiarity:
I've put it through the wringer

This bag is super sturdy and spacious when expanded. Exactly what I was looking for. Knocked a star off because it's crazy to me that thing retails for ≈$200 and has no padding on the shoulder strap. I have MR bags that were a third of the price and have a padded shoulder strap.

Jake
5 out of 5 stars

April 10, 2025

"Almost" Perfect personal travel briefcase

I was looking for a personal carry bag for weekend travel and spent months narrowing down possible options. I wanted a bag that I could carry either as a backpack or briefcase and fit under an airline seat. I've had the bag for a few weeks and am happy with my decision. The bag measures 11” x 16.5” x 6” with a zip out section that adds approximately four inches (5 liters) of extra room and fits standard packing cubes for overnight/weekend travel. Love the satisfying "click" of the metal clasp on the front flap. It’s easy to use and holds the front flap securely. The bag has three small pockets to hold my computer related products and two mesh and zippered compartments to secure small/valuable items within the bag. There is another medium pocket that is sized for a tablet and I also found two "hidden" areas within the bag to stash small items such as a rainfly or similar sized items. While this is a great bag, I did find a couple of areas that were an issue (and no, it's not the shoulder strap) The first is the material in the construction of the bag. It’s heavy duty 500 Cordura nylon, is well made and should hold up well. It is, however, a bit of a lint magnet and I find myself wiping down the exterior on a regular basis. The bag holds a 15" notebook, but just barely; another half/one inch width would have been preferable. My decision to choose the Mystery Ranch 18 over others I reviewed lies with the fact that many are backpack oriented bags with the ability to use as a shoulder/briefcase. I preferred a briefcase with the option to sometimes carry as a backpack.

Wingz
mysteryranch.com

Originally reviewed on mysteryranch.com

5 out of 5 stars

April 2, 2025

Super Versatile & Durable

I bought this bag for its versatility and it's working exactly as hoped. It's my daily briefcase for work and has ample room for everything I need (large laptop included) without being too heavy. Then when I travel, it turns into a backpack so I don't have to transfer my stuff to a separate bag whenever I fly. I LOVE the magnet on the front flap as it's easy to open and closes itself when I drop the flap. Bombproof material/construction means I'll probably be using this bag for at least a decade!

HappyJack
mysteryranch.com

Originally reviewed on mysteryranch.com

5 out of 5 stars

April 2, 2025

Love this bag!!

I love this bag. Nothing bad to say, only a request: On the next design, integrate the laptop easy access feature. Example: on the Ripruck, there a natural fold on the laptop sleeve that makes getting the computer out super easy. I wish this bad had that feature. I do highly recommend this bag as EDC.

Bronco31Mike
mysteryranch.com

Originally reviewed on mysteryranch.com

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