Aer Travel Pack 2 Small vs. Calpak Terra 26L Laptop Duffel Backpack
Two carry-on travel backpacks, compared spec for spec.
Aer Travel Pack 2 Small
| Capacity | 28 L |
| Weight | 1.7 kg |
| Dimensions | 48×33×19 cm |
| Airline fit | 92% |
| Price | $229 |
Feature by feature
| Aer Travel Pack 2 Small | Feature | Calpak Terra 26L Laptop Duffel Backpack |
|---|---|---|
| Storage | ||
| 4 | Compression | 4 |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top, side | Passport | front |
| Y | Passthrough | Y |
| Carry | ||
| Y | Backpack | hideable |
| optional | Hip Belt | |
| removable | Sternum Strap | |
| Inside | ||
| 16in | Laptop | 17in |
| 5 | Main Compartments | 7 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |
| Material | |
| 700D Cordura | Recycled Ripstop Polyester w/ TPU Coating |
Calpak Terra 26L Laptop Duffel Backpack
| Capacity | 26 L |
| Weight | 1.3 kg |
| Dimensions | 46×30×19 cm |
| Airline fit | 94% |
| Price | $200 |
Key differences between the Aer Travel Pack 2 Small and Calpak Terra 26L Laptop Duffel Backpack
- Passport pocket: Top, side on the Aer Travel Pack 2 Small; Front on the Calpak Terra 26L Laptop Duffel Backpack.
- Backpack straps: Yes on the Aer Travel Pack 2 Small; Hideable on the Calpak Terra 26L Laptop Duffel Backpack.
- Laptop sleeve: 16in on the Aer Travel Pack 2 Small; 17in on the Calpak Terra 26L Laptop Duffel Backpack.
- Main compartments: 5 on the Aer Travel Pack 2 Small; 7 on the Calpak Terra 26L Laptop Duffel Backpack.
Both have: compression straps, luggage passthrough, built-in organizer, water bottle pockets, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 174 accept both. 0 accept only the Aer Travel Pack 2 Small, and 4 accept only the Calpak Terra 26L Laptop Duffel Backpack.
Only the Calpak Terra 26L Laptop Duffel Backpack fits
Air Niugini, American Eagle, easyJet, Ravn Alaska.
Aer Travel Pack 2 Small vs. Calpak Terra 26L Laptop Duffel Backpack: which should you pack?
The Aer Travel Pack 2 Small carries 2L more than the Calpak Terra 26L Laptop Duffel Backpack (28L vs. 26L), while the Calpak Terra 26L Laptop Duffel Backpack is the lighter pack at 1.3kg (vs. 1.7kg). For carry-on flexibility, the Calpak Terra 26L Laptop Duffel Backpack fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Aer Travel Pack 2 Small; if you want to travel lighter, the Calpak Terra 26L Laptop Duffel Backpack is the better call.