Tom Bihn Aeronaut 45L vs. Patagonia Black Hole® Duffel Bag 55L
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 | Patagonia Black Hole® Duffel Bag 55L |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| side | Passport | side |
| N | Passthrough | Y |
| Carry | ||
| hideable | Backpack | removable |
| removable | Hip Belt | N |
| removable | Sternum Strap | Y |
| Inside | ||
| N | Laptop | N |
| 5 | Main Compartments | 2 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| Y | Water Resistant | Y |
| Material | |
| 1050 denier ballistic nylon OR ultralight 400d Halcyon/420d nylon ripstop 200 denier Halcyon/nylon ripstop fabric lining | 100% recycled polyester ripstop with a matte, recycled TPU-film laminate |
Patagonia Black Hole® Duffel Bag 55L
| Capacity | 55 L |
| Weight | 1.2 kg |
| Dimensions | 58×34×24 cm |
| Airline fit | 5% |
| Price | $170 |
Key differences between the Tom Bihn Aeronaut 45L and Patagonia Black Hole® Duffel Bag 55L
- Luggage passthrough: No on the Tom Bihn Aeronaut 45L; Yes on the Patagonia Black Hole® Duffel Bag 55L.
- Backpack straps: Hideable on the Tom Bihn Aeronaut 45L; Removable on the Patagonia Black Hole® Duffel Bag 55L.
- Hip belt: Removable on the Tom Bihn Aeronaut 45L; No on the Patagonia Black Hole® Duffel Bag 55L.
- Sternum strap: Removable on the Tom Bihn Aeronaut 45L; Yes on the Patagonia Black Hole® Duffel Bag 55L.
- Main compartments: 5 on the Tom Bihn Aeronaut 45L; 2 on the Patagonia Black Hole® Duffel Bag 55L.
Both have: passport pocket, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 10 accept both. 75 accept only the Tom Bihn Aeronaut 45L, and 0 accept only the Patagonia Black Hole® Duffel Bag 55L.
Only the Tom Bihn Aeronaut 45L fits
Aegean Airlines, Air Asia, Air Astana, Air Europa, Air Koryo, Air Macau, Air Nostrum, Air Tahiti Nui, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Atlas Global, Avianca , Azul Linhas, Bahamasair, Bangkok Airways, Biman Bangladesh, British Airways, Cambodia Angkor Air, Cathay Pacific, Cebu Pacific, China Airlines, China Southern, CommutAir, Copa Airlines, Cubana de Aviacion, Delta Airlines, Dragonair, EL AL, EVA Air, Finnair, Garuda Indonesia, Hainan Airlines, Hawaiian Airlines, Hong Kong Airlines, Iran Aseman Air, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Korean Air, Kulula, Kuwait Air, Malaysia Airlines, Mango, Middle East Airlines, Monarch Airlines, Onur Air, Philippine Airlines, Qantas Airways, Republic Airways, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Skywest, Inc., South African Airways, SpiceJet, Spirit Airlines, SriLankan Airlines, TAAG Angola, TAM Airlines, Thai Airways, Trans States, Travel Service Airlines, United Airlines, Ural Airlines, Uzbekistan Air, Vietnam Airlines, Virgin Atlantic, WOW Airlines.
Tom Bihn Aeronaut 45L vs. Patagonia Black Hole® Duffel Bag 55L: which should you pack?
The Patagonia Black Hole® Duffel Bag 55L carries 10L more than the Tom Bihn Aeronaut 45L (45L vs. 55L), while the Patagonia Black Hole® Duffel Bag 55L is the lighter pack at 1.2kg (vs. 1.4kg). For carry-on flexibility, the Tom Bihn Aeronaut 45L fits 45% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Black Hole® Duffel Bag 55L; if you want to travel lighter, the Patagonia Black Hole® Duffel Bag 55L is the better call.