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Quantity
1
Description
The ultimate on-your-back student or business organizer, the Brain Bag is our Slant-6 of backpacks: it will surprise you with its utility, versatility, and longevity. Long after lesser bags have frayed their seams, blown their zippers, and ...
Reviews
4.9
162 ratings
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Smart
I love this bag. I have the Synik 30 for work and travel and I can’t imagine anything topping that bag for those purposes.
However, I like keeping that bag mostly for work and don’t want to empty it and refill it every day so I was looking for another Tom Bihn bag, that could maybe fit more when I want to stuff it with a lot of random things to go about my day.
I had my eye on the brain bag for a while, I liked that it could fit two laptops into two different sections and I liked that the front pockets were a lot bigger in size so that I could fit a variety of things in them. This bag definitely did the job.
When I have a craft day, I can throw all of my brushes in the front pockets, throw in my watercolor paper in the main, have room for a sweater, my water cups and all of my daily needed stuff (like wallet, keys etc) can easily fit in the other front pocket. I’ve also used it for the gym, day in the park, and hiking. It has let me ‘Tetris’ all of my stuff in a way that makes sense every time.
This is my rugged ‘do it all’ bag that I enjoy using every time I pick it up. I don’t think it will replace my Synik for work because I like all of the top compartments of that bag too much to change, but this is my go to hobby bag that has easily fit every situation.
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Kristin · Today
Awesome pack with lots of room for my gear and my two kids when on go. The BB has superb stitching and quality materials and it carries very well for how big it is. I like that I can compress it down when it's not fully packed. This won't be the last Tom Bihn bag that I buy!
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Dylan · June 24, 2026
Best Pack on the market!!
I bought my Brain Bag in 1998 and have carried it all over the world along with daily use. I originally purchased it to carry all my paramedic books. I then carried it daily in an ambulance where it was heavily abused. It then carried me through nursing school and in 2012 it carried me through 4 years of nurse practitioner school. I carry it daily to and from the hospital. Its contents change frequently but its durability has stood the test of time. It is faded and somewhat worn but not a single hole and all the zippers are original. Amazing product!!! It has carried me through 28 years of life and continues to do so.
