Aer Pro Pack 20L vs. Alpaka Gear Traverse Backpack
Two carry-on travel backpacks, compared spec for spec.
Feature by feature
| Aer Pro Pack 20L | Feature | Alpaka Gear Traverse Backpack |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | top |
| Y | Passthrough | Y |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside | ||
| 16in | Laptop | 16in |
| 4 | Main Compartments | 5 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |
| Material | |
| 840D CORDURA re/cor recycled nylon | Axoflux 400D ripstop nylon |
Alpaka Gear Traverse Backpack
| Capacity | 30 L |
| Weight | 1.5 kg |
| Dimensions | 47×28×18 cm |
| Airline fit | 93% |
| Price | $200 |
Key differences between the Aer Pro Pack 20L and Alpaka Gear Traverse Backpack
- Main compartments: 4 on the Aer Pro Pack 20L; 5 on the Alpaka Gear Traverse Backpack.
- Water bottle pockets: 2, side on the Aer Pro Pack 20L; 1, side on the Alpaka Gear Traverse Backpack.
Both have: passport pocket, luggage passthrough, backpack straps, sternum strap, laptop sleeve, built-in organizer, 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. 5 accept only the Aer Pro Pack 20L, and 2 accept only the Alpaka Gear Traverse Backpack.
Only the Aer Pro Pack 20L fits
Air Tahiti, American Eagle, easyJet, Gulf Air, Ravn Alaska.
Only the Alpaka Gear Traverse Backpack fits
Air Niugini, Great Lakes Airlines.
Aer Pro Pack 20L vs. Alpaka Gear Traverse Backpack: which should you pack?
The Alpaka Gear Traverse Backpack carries 10L more than the Aer Pro Pack 20L (20L vs. 30L), while the Aer Pro Pack 20L is the lighter pack at 1.1kg (vs. 1.5kg). 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 Alpaka Gear Traverse Backpack; if you want to travel lighter, the Aer Pro Pack 20L is the better call.