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Halcyon Packing Cubes (Aeronaut 45)


Keep your clothes neat and make packing more efficient in the Aeronaut 45.

5.5 - 12.5 L (325 - 775 cu. in.)

We've retired the Halcyon Packing Cubes (Aeronaut 45) to make way for new designs. Stay tuned for what we come up with next!


Make the most efficient use of your packing space — and keep your clothes neater.

We make a variety of Packing Cubes sized specifically to most efficiently utilize space inside the Aeronaut 45

Inside the main compartment of the Aeronaut 45, use two Large Packing Cubes (stacked one on top of the other), or one Large plus two Small Packing Cubes or use four Small (stacked one on top of the other, or interlocking like bricks).

One End Pocket Packing Cube fills each end pocket, or four can fill the main compartment, like books on a shelf. Note: The End Pocket Packing Cube is available in either Fabric/Fabric or Fabric/Mesh. The All Fabric version is intended for shoes or other items you may want to keep separate from the rest of your stuff. The Fabric/Mesh version of the Aeronaut 45 End Packing Cube is slightly different than the Fabric/Mesh Tri-Star and Western Flyer Packing Cubes in that both sides (or top and bottom, once it's out of the Aeronaut 45) are fabric rather than the top being mesh; in other words, the edges are mesh. This is specifically because the mesh does not slide as nicely as our Halcyon/nylon fabric, and it's necessary for the Fabric/Mesh Packing Cube (especially when full) to be able to gracefully slide into the end pockets; in Tom's early prototypes that were mesh on one side, the mesh would catch on the Aeronaut's zipper, etc., as we tried to slide it in.

Also available are the Packing Cube Shoulder Bag and the 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.


Strong polyester mesh
200 denier Halcyon/nylon ripstop
#5 YKK coil zipper with plastic sliders


Sewn in USA with globally sourced materials 100% finished seams

Large13.4" / 340mm13.4" / 340mm4.3" / 110mm4.0 oz / 115 g775 cu in / 12.5 L
End Pocket13.4" / 340mm7.9" / 200mm3.1" / 80mm3.0 oz / 85 g325 cu in / 5.5 L
Small13.4" / 340mm6.7" / 170mm4.3" / 110mm2.8 oz / 80 g375 cu in / 6.5 L
Want to see the specs for all of our bags?

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.