Tom Bihn Aeronaut 45L vs. Yeti All-Weather Backpack 25L
Two carry-on travel backpacks, compared spec for spec.
Tom Bihn Aeronaut 45L
| Capacity | 45 L |
| Weight | 1.4 kg |
| Dimensions | 56×36×23 cm |
| Airline fit | 45% |
| Price | $340 |
Feature by feature
| Tom Bihn Aeronaut 45L | Feature | Yeti All-Weather Backpack 25L |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| side | Passport | front |
| N | Passthrough | N |
| Carry | ||
| hideable | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside | ||
| N | Laptop | N |
| 5 | Main Compartments | 3 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 1, front |
| Y | Water Resistant | Y |
| Material | |
| 1050 denier ballistic nylon OR ultralight 400d Halcyon/420d nylon ripstop 200 denier Halcyon/nylon ripstop fabric lining | DryHide shell |
Yeti All-Weather Backpack 25L
| Capacity | 25 L |
| Weight | 1.6 kg |
| Dimensions | 55×35×23 cm |
| Airline fit | 67% |
| Price | $250 |
Key differences between the Tom Bihn Aeronaut 45L and Yeti All-Weather Backpack 25L
- Passport pocket: Side on the Tom Bihn Aeronaut 45L; Front on the Yeti All-Weather Backpack 25L.
- Backpack straps: Hideable on the Tom Bihn Aeronaut 45L; Yes on the Yeti All-Weather Backpack 25L.
- Main compartments: 5 on the Tom Bihn Aeronaut 45L; 3 on the Yeti All-Weather Backpack 25L.
- Water bottle pockets: No on the Tom Bihn Aeronaut 45L; 1, front on the Yeti All-Weather Backpack 25L.
Both have: hip belt, sternum strap, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 85 accept both. 0 accept only the Tom Bihn Aeronaut 45L, and 42 accept only the Yeti All-Weather Backpack 25L.
Only the Yeti All-Weather Backpack 25L fits
Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Canada, Air Caraibes, Air France, Air India, Air Mauritius, All Nipon Airways, ANA, Austrian, Azerbaijan Airlines, Boliviana de Aviacion, Brussels Airlines, Caribbean Airlines, Czech Airlines, Ethiopian Airlines, Eurowings, Fiji Airways, Flair Air, Gol Linhas Aereas, Iberia, Indigo, Interjet, Iran Air, Japan Airlines, Jet Airways, Kenya Airways, KLM, LATAM , LOT Polish, Lufthansa, Mahan Air, Mesa Airlines, Norwegian, Peach, Porter Airlines, SAS Scandinavian, Sky Airlines, Swiss Int'l Air Lines, Turkish Airlines.
Tom Bihn Aeronaut 45L vs. Yeti All-Weather Backpack 25L: which should you pack?
The Tom Bihn Aeronaut 45L carries 20L more than the Yeti All-Weather Backpack 25L (45L vs. 25L), while the Tom Bihn Aeronaut 45L is the lighter pack at 1.4kg (vs. 1.6kg). For carry-on flexibility, the Yeti All-Weather Backpack 25L fits 67% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Tom Bihn Aeronaut 45L; if you want to travel lighter, the Tom Bihn Aeronaut 45L is the better call.