• visible variant TB0980-BK5D^^A Trinity in Black Ballistic with Acai 210 Cerylon
  • visible variant TB0980-BKLD^^The Trinity in Black with Island interior
  • visible variant TB0980-BKZD^^The Trinity in Black with Zest interior
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  • visible variant TB0980-BKND^^The Trinity in Black
  • visible variant TB0980-UK7D^^The Trinity in Aubergine with Tidal interior
  • visible variant TB0980-UKND^^The Trinity in Aubergine with Northwest Sky interior
  • visible variant TB0980-UK7D TB0980-UKND^^The Trinity in Aubergine
  • visible variant TB0980-WKOL^^The Trinity in Wilderness with Cobalt interior
  • visible variant TB0980-WKOL^^The Trinity in Wilderness
  • visible variant TB0980-TKGL^^The Trinity in Burnt Orange with Mountain Grey interior.
  • visible variant TB0980-TKGL^^The Trinity in Burnt Orange
  • visible variant TB0980-MKND^^The Trinity in Mars Red with Northwest Sky interior.
  • visible variant TB0980-MKND^^The Trinity in Mars Red
  • visible variant TB0980-RKML^^The Trinity in Ursa with Moss interior
  • visible variant TB0980-RKML^^The Trinity in Ursa
  • visible variant TB0980-DKZD^^The Trinity in Deep Blue with Zest interior
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  • visible variant TB0980-GKLD^^The Trinity in Nebulous Grey with Island interior
  • visible variant TB0980-GKND^^The Trinity in Nebulous Grey with Northwest Sky interior
  • visible variant TB0980-GKLD^^The Trinity in Nebulous Grey
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Trinity

$445

In Stock

Core Colors

Available Core Color options
Exterior Color: Black
Interior Color: Northwest Sky
Material: Ballistic
Material: 200 Halcyon

Perfect Pairings

^^The Abolute Shoulder Strap
Lifetime Guarantee, 60-Day Returns, and Fast Shipping

The Trinity is a three-way carry everyday travel bag: briefcase, shoulder bag, and backpack all-in-one, designed with the savvy business traveler in mind. 

$445

Lifetime Guarantee

We stand behind our work. If your bag ever develops a defect in materials or workmanship, we'll make it right so you can carry it with confidence for years to come.

60-Day Returns

Try your bag for 60 days and see how it fits into your everyday carry. If it's not quite right, you can return it within that window for a refund or exchange.

Fast Shipping

We get your bag to you fast so you can start using it right away. Most in-stock orders ship the same or next business day.

Reviews

4.8
Rated 4.8 out of 5 stars
Based on 41 reviews
Total 5 star reviews: 35 Total 4 star reviews: 5 Total 3 star reviews: 0 Total 2 star reviews: 1 Total 1 star reviews: 0
4.8
Rated 4.8 out of 5 stars
Based on 41 reviews
Reviews Summary
Customers say this convertible bag excels as a versatile travel and work companion. Many reviews mention its three carrying modes—briefcase, shoulder bag, and backpack—work seamlessly together. Users frequently praise the excellent organization with multiple compartments that accommodate laptops, tablets, and travel essentials. Common feedback includes appreciation for its perfect fit under airplane seats and professional appearance. Reviewers consistently highlight the exceptional build quality and materials. While most find the backpack straps adequate for short-term use, some note they could be more comfortable for extended wear. A few mention concerns about compartment interference and the premium price point. Overall, customers view this as an ideal solution for business travel and daily professional use.
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41 reviews
  • DW
    Dylan W.
    Verified Buyer
    Reviewing
    Trinity
    I recommend this product
    Bought For Myself
    Product Standouts Thoughtful Design, Good Storage Size, High Quality Craftsmanship
    Rated 4 out of 5 stars
    2 years ago
    It's great, but it's spendy

    I figured it was time to upgrade from my Maker's Bag, and the Trinity was finally here....

    I will say this, it has brought more order to my life that I ever expected. Everything has a place -- and my laptop is neither loose nor protected by stiff padding that made it hard to carry as an everyday messenger. I think they pulled it off. As a "personal item" carry-on it is perfect under the seat; it makes my endless in-flight juggling of devices and cables and batteries and snacks quick and efficient.

    It is very expensive, though, compared to other options. Arguably, it's a bag that doesn't need all the extra bibs and bobs you need to get a Maker's Bag to be a reasonable analogue, but even a fully kitted out Maker's Bag with organizers and cubes and pouches is much cheaper. For me, it was worth it, but definitely something to consider before you pay the money for it.

    Also, don't expect it to be a great backpack. I've used "convertible" packs in the past, and they all are mediocre backpacks at best. I'm disappointed they didn't put more into the pack straps (more padding, more stability), but for me the straps are an "in a pinch" form factor (like needing your hands free). If you're buying this primarily for the backpack form factor, be aware.

    On the whole, I'd 100% buy it again and you can pry it from my cold, dead fingers. But ask yourself if you need this much structure and ease of use. This is the best structured Tom Bihn bag, but I got a lot of life out of my Maker's Bag…

  • BS Profile picture for Blake S.
    Blake S.
    Verified Buyer
    Reviewing
    Trinity
    I recommend this product
    Bought For Myself
    Product Standouts Thoughtful Design, Unique, Sewn in USA, High Quality Craftsmanship, Versatile
    Rated 5 out of 5 stars
    1 year ago
    waiting for this bag to be made

    I really love my Trinity. I have using a backpack for a while for work commuting on bike, but prefer a shoulder bag for use at work (I work doing advocacy for a nonprofit working on global hunger and I lobby Capitol Hill. I also always seek to support LOCAL handmade whenever and companies that treat workers well, whenever possible, from my coffee to clothing. Thanks for making a great product and a bonus to read the spotlight stories of your staff and dedication to their craft.

  • S
    Sam
    Verified Buyer
    Reviewing
    Trinity
    I recommend this product
    Bought For Myself
    Product Standouts Thoughtful Design, Good Storage Size, High Quality Craftsmanship, Versatile
    Rated 5 out of 5 stars
    1 year ago
    Fantastic one-bag for short business trips

    1-3 nights of work on the road? This is my go-to bag. Just enough room for a couple of outfits and my travel tech. Great organization/pockets. It’s pricey, but worth every cent.

    The backpack straps don’t work for me (I’m 6’6, and they cut into me and are pretty uncomfortable), but I prefer it with the absolute shoulder strap anyway.

  • AT
    Aharon t.
    Verified Buyer
    Reviewing
    Trinity
    I recommend this product
    Bought For Myself
    Product Standouts Versatile, Thoughtful Design, High Quality Craftsmanship, High Quality Finishings, Durable
    Rated 5 out of 5 stars
    2 years ago
    Trinity bag maidan voyage

    Worked amazingly well! Quick overnight cross-country trip, packed everything I needed including laptop, cords, clothing, book... and my knitting project!

  • RO
    Robert O.
    Verified Buyer
    Reviewing
    Trinity
    I recommend this product
    Bought For Other
    Product Standouts Thoughtful Design, High Quality Craftsmanship, Comfortable
    Rated 5 out of 5 stars
    8 months ago
    best bag I've ever had

    The most unexpected good thing, among all of the good aspects of the Trinity, is how comfortable it is for me (6'1") as a backpack. I expected a compromise but shouldn't have. At 15 pounds (pack + stuff), I can wear it all day.

    I have used my Trinity for roughly three dozen domestic and international trips, for work and non-work trips. I do not use it as my everyday bag. The workmanship, design and materials are excellent. It still looks like new.

    When traveling, I carry it either as a backpack or over the handle of a rolling bag.

    During travel the contents including my laptop are very accessible--when the Trinity is sitting upright (landscape orientation) on top of a wheeled bag, when it's under the seat in front of me, when it's sitting upright on a desk or table, and when it is in the overhead bin (for instance, for exit rows on international flights when under-seat stowage is not permitted).

    Here is what I usually stick in it (I'm probably forgetting a few things): Surface laptop, Kindle, cables, toiletries, change of clothing, one folder of paperwork, raincoat, lightweight down jacket, phone, snacks, one book, wireless ear buds, book light, masks, 16-oz wide-mouth Nalgene water bottle, writing and other implements, notebook.

    When filled with everything that I want with me for international flights, it is right at the carry-on weight limit for many international airlines (15-17 pounds). That said, I'm always surprised by how light it is when I pick it up empty.…

Everyday Carry, Everywhere

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