Aer Pro Pack 20L vs. Aer Day Pack 3
Two carry-on travel backpacks, compared spec for spec.
Feature by feature
| Aer Pro Pack 20L | Feature | Aer Day Pack 3 |
|---|---|---|
| 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 | 3 |
| Y | Organizer | N |
| 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 | 1680D Cordura® ballistic nylon exterior (bluesign® approved) |
Key differences between the Aer Pro Pack 20L and Aer Day Pack 3
- Main compartments: 4 on the Aer Pro Pack 20L; 3 on the Aer Day Pack 3.
- Built-in organizer: Yes on the Aer Pro Pack 20L; No on the Aer Day Pack 3.
- Water bottle pockets: 2, side on the Aer Pro Pack 20L; 1, side on the Aer Day Pack 3.
Both have: passport pocket, luggage passthrough, backpack straps, sternum strap, laptop sleeve, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 179 accept both. 0 accept only the Aer Pro Pack 20L, and 1 accept only the Aer Day Pack 3.
Only the Aer Day Pack 3 fits
Air Niugini.
Aer Pro Pack 20L vs. Aer Day Pack 3: which should you pack?
The Aer Pro Pack 20L carries 6L more than the Aer Day Pack 3 (20L vs. 14L), while the Aer Pro Pack 20L is the lighter pack at 1.1kg (vs. 1.3kg). 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 Aer Pro Pack 20L; if you want to travel lighter, the Aer Pro Pack 20L is the better call.