Cotopaxi Allpa 26 vs. Aer Pro Pack 20L
Two carry-on travel backpacks, compared spec for spec.
Cotopaxi Allpa 26
| Capacity | 26 L |
| Weight | 0.9 kg |
| Dimensions | 52×33×23 cm |
| Airline fit | 70% |
| Price | $145 |
Feature by feature
| Cotopaxi Allpa 26 | Feature | Aer Pro Pack 20L |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 0 | Opening | 1 |
| front | Passport | top |
| Y | Passthrough | Y |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside | ||
| 16in | Laptop | 16in |
| 4 | Main Compartments | 4 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| N | Water Resistant | Y |
| Material | |
| 100% recycled polyester 450D TPU | 840D CORDURA re/cor recycled nylon |
Key differences between the Cotopaxi Allpa 26 and Aer Pro Pack 20L
- Opening: Other on the Cotopaxi Allpa 26; Clamshell on the Aer Pro Pack 20L.
- Passport pocket: Front on the Cotopaxi Allpa 26; Top on the Aer Pro Pack 20L.
- Water resistant: No on the Cotopaxi Allpa 26; Yes on the Aer Pro Pack 20L.
Both have: luggage passthrough, backpack straps, sternum strap, laptop sleeve, built-in organizer, water bottle pockets.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 132 accept both. 0 accept only the Cotopaxi Allpa 26, and 47 accept only the Aer Pro Pack 20L.
Only the Aer Pro Pack 20L fits
Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Air Tahiti, American Eagle, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, easyJet, Emirates Airlines, Enter Air, Etihad Airways, flybe, Gulf Air, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Oman Air, Pakistan International, Qatar Airways, Ravn Alaska, Regional Express, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Virgin Australia, Volotea, Xiamen.
Cotopaxi Allpa 26 vs. Aer Pro Pack 20L: which should you pack?
The Cotopaxi Allpa 26 carries 6L more than the Aer Pro Pack 20L (26L vs. 20L), while the Cotopaxi Allpa 26 is the lighter pack at 0.9kg (vs. 1.1kg). For carry-on flexibility, the Aer Pro Pack 20L fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cotopaxi Allpa 26; if you want to travel lighter, the Cotopaxi Allpa 26 is the better call.