Cotopaxi Allpa Travel Pack 35L Del Día vs. Tom Bihn Aeronaut 45L
Two carry-on travel backpacks, compared spec for spec.
Cotopaxi Allpa Travel Pack 35L Del Día
| Capacity | 35 L |
| Weight | 1.587 kg |
| Dimensions | 51×30×20 cm |
| Airline fit | 89% |
| Price | $180 |
Feature by feature
| Cotopaxi Allpa Travel Pack 35L Del Día | Feature | Tom Bihn Aeronaut 45L |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| N | Passport | side |
| N | Passthrough | N |
| Carry | ||
| hideable | Backpack | hideable |
| removable | Hip Belt | removable |
| Y | Sternum Strap | removable |
| Inside | ||
| 15in | Laptop | N |
| 1 | Main Compartments | 5 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| Y | Water Resistant | Y |
| Material | |
| 100% repurposed nylon | 1050 denier ballistic nylon OR ultralight 400d Halcyon/420d nylon ripstop 200 denier Halcyon/nylon ripstop fabric lining |
Tom Bihn Aeronaut 45L
| Capacity | 45 L |
| Weight | 1.4 kg |
| Dimensions | 56×36×23 cm |
| Airline fit | 45% |
| Price | $340 |
Key differences between the Cotopaxi Allpa Travel Pack 35L Del Día and Tom Bihn Aeronaut 45L
- Passport pocket: No on the Cotopaxi Allpa Travel Pack 35L Del Día; Side on the Tom Bihn Aeronaut 45L.
- Sternum strap: Yes on the Cotopaxi Allpa Travel Pack 35L Del Día; Removable on the Tom Bihn Aeronaut 45L.
- Laptop sleeve: 15in on the Cotopaxi Allpa Travel Pack 35L Del Día; No on the Tom Bihn Aeronaut 45L.
- Main compartments: 1 on the Cotopaxi Allpa Travel Pack 35L Del Día; 5 on the Tom Bihn Aeronaut 45L.
Both have: backpack straps, hip belt, 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. 84 accept only the Cotopaxi Allpa Travel Pack 35L Del Día, and 0 accept only the Tom Bihn Aeronaut 45L.
Only the Cotopaxi Allpa Travel Pack 35L Del Día fits
Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Malta, Air Mauritius, Air Serbia, Air Seychelles, All Nipon Airways, ANA, Asiana Airlines, ATA Airlines, Austrian, Azerbaijan Airlines, Blue Air, Boliviana de Aviacion, Brussels Airlines, Bulgaria Air, Caribbean Airlines, Cayman Airways, China Eastern, Croatia Air, Czech Airlines, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, Fiji Airways, Flair Air, flybe, Gol Linhas Aereas, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Japan Airlines, Jet Airways, Juneyao Airlines, Kenya Airways, KLM, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Oman Air, Pakistan International, Peach, Porter Airlines, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, TUI, Turkish Airlines, Ukraine International, VIM Airlines (Closed), Volotea, WestJet, Xiamen.
Cotopaxi Allpa Travel Pack 35L Del Día vs. Tom Bihn Aeronaut 45L: which should you pack?
The Tom Bihn Aeronaut 45L carries 10L more than the Cotopaxi Allpa Travel Pack 35L Del Día (35L vs. 45L), while the Tom Bihn Aeronaut 45L is the lighter pack at 1.4kg (vs. 1.587kg). For carry-on flexibility, the Cotopaxi Allpa Travel Pack 35L Del Día fits 89% 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.