Mammut Aenergy 12 vs. Deuter Vertrail 16
Two carry-on travel backpacks, compared spec for spec.
Feature by feature
| Mammut Aenergy 12 | Feature | Deuter Vertrail 16 |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 2 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| removable | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside | ||
| N | Laptop | N |
| 1 | Main Compartments | 1 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| N | Water Resistant | Y |
| Material | |
| 100% Polyamide | 220D PA PLAIN TPU |
Deuter Vertrail 16
| Capacity | 16 L |
| Weight | 0.5 kg |
| Dimensions | 51×23×18 cm |
| Airline fit | 90% |
| Price | $210 |
Key differences between the Mammut Aenergy 12 and Deuter Vertrail 16
- Opening: Clamshell on the Mammut Aenergy 12; Rolltop on the Deuter Vertrail 16.
- Hip belt: Removable on the Mammut Aenergy 12; No on the Deuter Vertrail 16.
- Water resistant: No on the Mammut Aenergy 12; Yes on the Deuter Vertrail 16.
Both have: backpack straps, sternum strap.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 170 accept both. 9 accept only the Mammut Aenergy 12, and 0 accept only the Deuter Vertrail 16.
Only the Mammut Aenergy 12 fits
Air Niugini, American Eagle, Belavia, easyJet, Etihad Airways, Qatar Airways, Ravn Alaska, Regional Express, Virgin Australia.
Mammut Aenergy 12 vs. Deuter Vertrail 16: which should you pack?
The Deuter Vertrail 16 carries 4L more than the Mammut Aenergy 12 (12L vs. 16L), while the Mammut Aenergy 12 is the lighter pack at 0.3kg (vs. 0.5kg). For carry-on flexibility, the Mammut Aenergy 12 fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Deuter Vertrail 16; if you want to travel lighter, the Mammut Aenergy 12 is the better call.