Aer Pro Slim Pack vs. Piorama Delta
Two carry-on travel backpacks, compared spec for spec.
Feature by feature
| Aer Pro Slim Pack | Feature | Piorama Delta |
|---|---|---|
| Storage | ||
| N | Compression | 2 |
| None | Expanded Capacity | 42L |
| 1 | Opening | 1 |
| front | Passport | front |
| Y | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| Y | Sternum Strap | removable |
| Inside | ||
| 16in | Laptop | 16in |
| 3 | Main Compartments | 3 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |
| Material | |
| 840D CORDURA re/cor recycled nylon | 900D Nylon |
Key differences between the Aer Pro Slim Pack and Piorama Delta
- Compression straps: No on the Aer Pro Slim Pack; 2 on the Piorama Delta.
- Luggage passthrough: Yes on the Aer Pro Slim Pack; No on the Piorama Delta.
- Sternum strap: Yes on the Aer Pro Slim Pack; Removable on the Piorama Delta.
- Water bottle pockets: 1, side on the Aer Pro Slim Pack; 2, side on the Piorama Delta.
Both have: passport pocket, backpack straps, 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. 179 accept both. Every airline that takes one takes the other.
Aer Pro Slim Pack vs. Piorama Delta: which should you pack?
The Piorama Delta carries 3L more than the Aer Pro Slim Pack (13L vs. 16L), while the Aer Pro Slim Pack is the lighter pack at 0.9kg (vs. 1.2kg). For carry-on flexibility, the Aer Pro Slim Pack fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Piorama Delta; if you want to travel lighter, the Aer Pro Slim Pack is the better call.