A Black 1050 Ballistic Aeronaut 45. A Black 1050 Ballistic Aeronaut 45 with the main compartment open showing the Island (blue) Halcyon. A Black 1050 Ballistic Aeronaut 45 with the main compartment open showing the Wasabi (green) Halcyon. A Black 1050 Ballistic Aeronaut 45 with the main compartment open showing the Ultraviolet (purple) Halcyon. A Black 1050 Ballistic Aeronaut 45 with the main compartment open showing the Northwest Sky (light-brown) Halcyon. A Black 1050 Ballistic Aeronaut 45 with the main compartment open showing the Iberian (red) Halcyon. A Navy (blue) 1050 Ballistic Aeronaut 45. A Navy (blue) 1050 Ballistic Aeronaut 45 with the main compartment open showing the Wasabi (green) Halcyon. A Navy (blue) 1050 Ballistic Aeronaut 45 with the main compartment open showing the Northwest Sky (light-grey) Halcyon. A Navy (blue) 1050 Ballistic Aeronaut 45 with the main compartment open showing the Iberian (red) Halcyon. A Coyote (brown) 1050 Ballistic Aeronaut 45. A Coyote (brown) 1050 Ballistic Aeronaut 45 with the main compartment open showing the Northwest Sky (light-grey) Halcyon. A Verde (green) 1050 Ballistic Aeronaut 45. A Verde (green) 1050 Ballistic Aeronaut 45 with the main compartment open showing the Northwest Sky (light-grey) Halcyon. A Burnt Orange 1050 Ballistic Aeronaut 45. A Burnt Orange 1050 Ballistic Aeronaut 45 with the main compartment open showing the Northwest Sky (light-grey) Halcyon. An Aubergine (purple) 1050 Ballistic Aeronaut 45. An Aubergine (purple) 1050 Ballistic Aeronaut 45 with the main compartment open showing the Northwest Sky (light-grey) Halcyon. An Aubergine (purple) 1050 Ballistic Aeronaut 45 with the main compartment open showing the Island (island) Halcyon. An Aubergine (purple) 1050 Ballistic Aeronaut 45 with the main compartment open showing the Wasabi (green) Halcyon. visible variant TB0906-SBID TB0906-SBLD TB0906-SBND TB0906-SBSD TB0906-SBUD TB0906-SBWD TB0906-SBFD An Steel (grey) 1050 Ballistic Aeronaut 45 with the main compartment open showing the Iberian (red) Halcyon. An Steel (grey) 1050 Ballistic Aeronaut 45 with the main compartment open showing the Island (blue) Halcyon. A Steel (grey) 1050 Ballistic Aeronaut 45 with the main compartment open showing the Ultraviolet (purple) Halcyon. An Steel (grey) 1050 Ballistic Aeronaut 45 with the main compartment open showing the Wasabi (green) Halcyon. An Steel (grey) 1050 Ballistic Aeronaut 45 with the main compartment open showing the Northwest Sky (light-grey) Halcyon. An Original (black with white gridding) 400 Halcyon Aeronaut 45 with the main compartment open showing the Northwest Sky (light-grey) Halcyon. An Original (black with white gridding) 400 Halcyon Aeronaut 45 with the main compartment open showing the Island (blue) Halcyon. An Original (black with white gridding) 400 Halcyon Aeronaut 45 with the main compartment open showing the Iberian (red) Halcyon. An Original (black with white gridding) 400 Halcyon Aeronaut 45 with the main compartment open showing the Wasabi (green) Halcyon. A Black (black with grey gridding) 400 Halcyon Aeronaut 45. A Black (black with grey gridding) 400 Halcyon Aeronaut 45 with the main compartment open showing the Iberian (red) Halcyon. A Black (black with grey gridding) 400 Halcyon Aeronaut 45 with the main compartment open showing the Island (blue) Halcyon. A Black (black with grey gridding) 400 Halcyon Aeronaut 45 with the main compartment open showing the Northwest Sky (light-grey) Halcyon. A Black (black with grey gridding) 400 Halcyon Aeronaut 45 with the main compartment open showing the Ultraviolet (purple) Halcyon. A Black (black with grey gridding) 400 Halcyon Aeronaut 45 with the main compartment open showing the Wasabi (green) Halcyon. visible variant TB0906-MKND visible variant TB0906-MKND visible variant TB0906-BKND TB0906-BKLD visible variant TB0906-BKND visible variant TB0906-BKLD visible variant TB0906-DKND visible variant TB0906-DKND visible variant TB0906-GKLD visible variant TB0906-GKLD visible variant TB0906-NKND visible variant TB0906-NKND visible variant TB0906-RKND visible variant TB0906-RKND visible variant TB0906-WKND visible variant TB0906-WKND
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Aeronaut 45

$320.00

Our convertible (carry it three ways) maximum size carry-on travel bag.

45 Liters

Black Ballistic/Northwest Sky 200 Halcyon
More colors of Aeronaut 45 will be restocked in 2022. In the meantime, check out our new Techonaut 45 travel bag.

Description

Our legendary maximum size carry-on travel bag. Carry it as a backpack, shoulder bag, or duffel.

Travel with the Aeronaut isn't like travel with wheeled luggage: you won't ever hesitate to make your way through the crowd, down a cobblestone alley, across the grass, or up the trail. With the load on your back, you can navigate through not just airports, train stations, and bus depots, but through airplanestrains, and buses. Hard to categorize, the Aeronaut is at once soft luggage, a duffel bag, and a backpack. It takes the best of all those bags and combines them into what many people have found to be their most versatile travel bag yet.

Designed to qualify as a maximum-size airline carry-on bag (the smaller Aeronaut 30, great for intra-European flights or über-minimalist packers, is also available), the Aeronaut can be carried as a backpack (with its zip-away backpack straps), or with its padded handle can be carried on-edge as one would a traditional suitcase. Of course you can add our Absolute Shoulder Strap so you can carry it on your shoulder as well (almost any other shoulder strap will work too).

The downside to most duffel bags is their lack of compartmentalization: we think we've answered that quite successfully with the Aeronaut. The main body of the bag is divided into three significant compartments via two zippered dividers: a large center compartment is flanked on both ends by substantial end pockets. These end pockets can easily accommodate size 12 (USA) running shoes (now maybe you can finally take all the shoes you need with you). The end pockets also are great for segregating the clean from the unclean, or perhaps socks and underwear, from everything else. Don’t need two end compartments? Unzip one of the zippered dividers, transforming the Aeronaut into a two compartment bag. Or, unzip both zippered dividers, and the Aeronaut becomes a large one main compartment bag.

The main compartment is accessed through a curved zipper opening and swallows a substantial stack of folded shirts/blouses/trousers/dresses; as you pack the Aeronaut, the end pockets act like bookends, keeping everything in the center compartment relatively flat and folded. The inside of the opening "hatch" features a convenient zippered mesh pocket for small items. 

There's also two simple webbing loop handles that are accessible only when the main hatch is unzipped: they're designed to be used as grab handles when and if you need to move your Aeronaut around while packing or unpacking. The handles drop to the inside and are only there when you need them (we think you'll appreciate them).

We make a variety of Packing Cubes sized specifically to most efficiently utilize space inside the Aeronaut. Inside the main compartment of the Aeronaut, you can fit two Large Aeronaut Packing Cubes, one Large and two Small, or four Small. In either end compartment of the Aeronaut, you can fit an End Pocket Packing Cube in either Fabric/Mesh or All Fabric. Also available are the Packing Cube Shoulder Bag and the Aeronaut 45 Packing Cube Backpack: use them as packing cubes inside the Aeronaut and once you reach your destination, unpack them for use as lightweight shoulder bags or backpacks as you explore your destination.

If Packing Cubes are not your style, you can avail yourself of a pair of tie-down straps inside the main compartment of the Aeronaut. Theses straps can be handy for securing pants/slacks or a carefully folded sports coat. If you find they are in your way you can save a bit of weight by removing them.

The Aeronaut converts easily to and carries comfortably as a backpack: the shoulder straps are contoured and padded, and they feature a removable/adjustable sternum strap; the back panel is padded with 3/8" / 10mm thick closed-cell foam as well. Thanks to a zipper hidden inside the lining of the bag, the back panel foam is removable (or swappable) if you don't find you need it and want to save the weight/bulk. 

We offer the optional and removable Aeronaut Padded Hip Belt and Aeronaut 45 Internal Frame for those who would like to offset some of the weight of a fully loaded Aeronaut 45 on to their hips. The Padded Hip Belt is designed to fully integrate with the Aeronaut 45 — almost as if it was built-in to the bag from the get-go.

Once the Padded Hip Belt is installed, you have the option of unclipping it and, in one fell swoop, stowing the Padded Hip Belt and the backpack straps in the backpack straps compartment. And with both the backpack straps and waist strap tucked away inside, the Aeronaut becomes a sophisticated soft-luggage piece, free of extraneous straps and geegaws and entirely presentable. Because it is carry-on size, you usually won't be checking the Aeronaut as luggage, but tucking away the shoulder straps (and waist strap) also greatly reduces the possibility of the bag being caught in a conveyor belt if you must check it.

The optional Aeronaut 45 Internal Frame slips inside the same secret zippered pocket that accommodates the back foam padding, and is held in place by its hourglass shape. Some folks may opt to use just the Padded Hip Belt, just the Internal frame, both, or none of the above — for our two cents on those matters, please see our Aeronaut: Frequently Asked Questions blog post.

The grab handles at either end of the Aeronaut were designed to be in the right place at the right time. Specifically, they provide an inviting and obvious place to grab the Aeronaut and give it a yank to extract it from an overhead compartment of a plane or other tight spot. They’re reinforced, so if you need to pull hard, go ahead, and because they’re padded, the whole process will be as comfortable for your hands as possible.

On both ends of the Aeronaut are exterior zippered pockets large enough for the Guide Michelin and a boarding pass. Included in one of these pockets is a Key Strap in Black.

The exterior of the Aeronaut is made of our 1050 denier, high tenacity ballistic nylon fabric (made in U.S.A.), and it's lined with our ultralight Japanese 200 denier Halcyon/nylon ripstop fabric. We use #10 YKK Coil Aquaguard® water-repellent zippers so you needn't worry so much about bad weather impacting your gear. Sewn right side up (which means the waterproof coating is on the inside rather than the outside) the zippers are easier to operate. We include a package of our Cord Zipper Pulls in Black so you can add them to the zippers for an easier grab, though many folks like how uncluttered the Aeronaut looks as-is. Of course the Aeronaut is built, like all TOM BIHN bags, to withstand years of worry-free abuse.

Main Compartment and End Compartments

#10 YKK Aquaguard Coil Zippers with lockable sliders
Diagonal End Pockets and Interior Pocket: #8 YKK Aquaguard Coil Zippers
Interior Divider Zippers: #5 YKK Vislon Molded Tooth Zippers

Back Panel

3/8" / 10mm thick back foam panel

Shoulder Straps

Bound-edge EV50 .375" / 10mm shoulder straps (EVAZOTE® OEKO-TEX® foam)

Specs

Dimensions

 21.9" (w) x 14" (h) x 9.1" (d) / 555 (w) x 355 (h) x 230 (d) mm

Weight

1050d high tenacity ballistic nylon: 3 lb 1 oz / 1395 grams
525d high tenacity ballistic nylon: 2 lb 15 oz / 1340 grams
400d Halcyon®/420d nylon ripstop: 2 lb 7 oz / 1095 grams

Volume

2700 cubic in / 45 liters (ASTM Standard Measure)

Total O-Rings

9

(4 in the main compartment,
1 in the inside mesh pocket,
1 in the left curved pocket,
1 in the right curved pocket,
1 in the left side pocket,
1 in the right side pocket)

Choosing an Exterior Fabric

You like choices and we like to give you choices! That's why the Aeronaut 45 is typically available* in two different exterior fabrics. Our Materials Glossary explains each fabric in great detail, but here are some quick facts that may help you decide which to choose. And we're always here if you have questions: emailus@tombihn.com

400d Halcyon

Weave:
plain weave with 1/4” / 6mm ripstop
Fibers:
400 denier type 6 filament nylon (base fabric); 420 denier ultra-high-molecular-weight polyethylene ripstop grid
Coating:
light urethane
Made in:
Japan

Choose this fabric if

  • You want a lighter weight alternative to traditional nylon fabrics that has remarkable tear strength and good abrasion resistance.
  • You're looking for a fabric with a modern, "technical" appearance.
  • You have pets: 400d Halcyon doesn't collect pet hair, reducing your monthly lint roller costs.

1050d High Tenacity Ballistic Nylon

Weave:
2x2 “ballistic” weave
Fibers:
1050 denier type 6,6 (high tenacity) filament nylon
Coating:
medium urethane
Made in:
U.S.A.

Choose this fabric if

  • You want a super-tough fabric – originally designed for use in bullet-proof vests.
  • The weight of your bag isn’t a huge concern (though it’s worth noting that 1050d Ballistic is still lighter than cotton canvas or leather).
  • You want a smooth surface that won’t collect pet hair or sweater fuzz, slides easily into and out of the overhead bin, and fits in whether you're traveling for work or leisure.

525d High Tenacity Ballistic Nylon

Weave
2x2 “ballistic” weave
Fibers
525 denier type 6,6 (high tenacity) filament nylon, twisted
Coating
heavy urethane
Made in
South Korea with Canadian Yarn

Choose this fabric if

  • You want your bag to be soft and supple yet tough as nails.
  • You want a fabric that's stately enough to be at home at work, the mountains, or a nice hotel.
  • You don't want your bag to collect pet hair or abrade your clothing.
*There may be times when one of the exterior fabrics mentioned here isn't available. Even with our best efforts, the demand for our bags occasionally outpaces our production capabilities: at times, some products, color combinations, or fabrics might be temporarily unavailable or "In Production." See the In Production color combinations as a guide to what our factory crew is making and what will be available next.
Lifetime guarantee image

Sewn in Seattle

Our bags are designed and sewn right here in Seattle, Washington, U.S.A.

That allows us to be control freaks in the best way possible; we have direct control and oversight of the quality of our materials, our products, and the jobs and working environment that we help create. It also offers us a unique spontaneity: when we have an idea for a new product or accessory, we can design it, figure out how to build it, add it to our website and be ready to ship it out our front door all within just a few weeks. How cool is that?

Intrigued? You can find out more about the unusual way we do business on our Company Philosophy page.

THE BIHN Guarantee

Everything you buy from us here at TOM BIHN is satisfaction guaranteed. We’ve been in business for over 30 years and we stand behind what we make.

If something goes wrong and it's our fault, we'll fix it for free. Repairs due to normal wear and tear or due to other things that are not our fault will be performed, when possible, at a reasonable charge right here in our Seattle factory where your bag was made. Defects in materials or workmanship are uncommon and almost always evident while the product is still new. Keep in mind that bags and packs are often subject to extreme wear in everyday use: do not expect them to last forever. Only true love lasts forever! You can expect a TOM BIHN product to give years and years of hard service.

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Rated 5.0 out of 5
Based on 12 reviews
average rating 5.0 out of 5
Based on 12 reviews
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100% of reviewers would recommend this product to a friend
Quality
Rated 5 out of 5
Review posted
Reviewed by Beau F.
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Bought For
Myself
Product Standouts
  • Durable
  • Made in USA
  • Thoughtful Design
  • Comfortable
  • High Quality Craftsmanship
Rated 5 out of 5

Most Reliable and Durable Bags Available!

The quality and attention to detail that Tom Bihn has when designing/constructing a bag is beyond impressive. At a time when other companies slap a bunch of cheap materials together, Tom Bihn focuses on quality materials and top notch construction. I seriously doubt there is a bag constructed by this company that would disappoint!

As far as the Aeronaut 45, it is a durable, work-horse duffel that can accommodate whatever trip you throw at it! Weekend getaway? Easy! Two week trip to Europe? Maybe not effortlessly; but with mindful packing and good organization it would be entirely doable. A lot of thought obviously went into the utility of the bag and how each pocket would/could be used. Couple this bag with the packing cubes and other accessories, and this bag can do just about anything.

Their bags are the most reliable, durable, and low-maintenance bags that I know of . I have purchased multiple items from Tom Bihn over the years, and at this point are the only brand I trust to give me an effortless experience and peace of mind to protect my belongings!

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Product Standouts
  • Thoughtful Design
  • Made in USA
  • High Quality Craftsmanship
  • Good Storage Size
  • High Quality Finishings
Rated 5 out of 5

Love the capacity

I have an A30 for solo business travel up to a week duration, but I got this for my wife as she tends to pack a bit more when we travel as a family. Great quality stuff!

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Reviewed by Jeremy J.
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Product Standouts
  • Thoughtful Design
  • High Quality Craftsmanship
  • Comfortable
  • Durable
  • Good Storage Size
Rated 5 out of 5

This is a beaut!

What a great bag! I jumped on one of the wait lists and glad I did as I was in need to replace a bag. This will work flawlessly as a carry on or a weekend bag. Love the additional room offered and the shnazzy hidden back pack straps that will save your back if you over pack.

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Reviewed by Teresa K.
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Product Standouts
  • Comfortable
  • High Quality Craftsmanship
  • Thoughtful Design
  • Good Storage Size
  • Durable
Rated 5 out of 5

Great bag!

Very comfortable bag for a back carry bag! I feel that the padded strap/belt is necessary to make it an even more comfortable experience. I would highly recommend it! This bag is going to Europe with me soon!

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Reviewed by Nancy
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Product Standouts
  • Durable
  • Good Storage Size
  • Versatile
  • Unique
  • Compact
Rated 5 out of 5

Going on 6 years

I am 5’ tall and don’t weigh that much, backpacks are extremely hard to find and fit. The compact size of the Aeronaut is almost a perfect fit. Off season travelling requires rain ware, warm clothes and light clothes. It all fits! I am also the family Sherpa most of the pharmacy goes in my bag, sunscreen, laundry detergent, hydration packs… still fits. I have even succeeded to carry 4 pairs of shoes.

Now, please create a super light convertible day backpack that can become a purse (like a mail bag). This way I can get on the plane with two items my Aeronaut on my back and the purse in the front. When backpacks are not allowed in the museum change over to the purse by hiding the straps. Going out for supper… switch to purse. Walking in an open air market switch to backpack. I am sure you can create the ultimate bag.

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