Waterfield Air Porter vs. United by Blue (R)evolution 25L Convertible Carryall
Two carry-on travel backpacks, compared spec for spec.
Waterfield Air Porter
| Capacity | 22 L |
| Weight | 1.3 kg |
| Dimensions | 42×30×18 cm |
| Airline fit | 95% |
| Price | $420 |
Feature by feature
| Waterfield Air Porter | Feature | United by Blue (R)evolution 25L Convertible Carryall |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| top | Passport | front |
| Y | Passthrough | N |
| Carry | ||
| hideable | Backpack | hideable |
| N | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside | ||
| 15in | Laptop | 15in |
| 7 | Main Compartments | 2 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |
| Material | |
| 1680 Denier black Ballistic nylon | |
United by Blue (R)evolution 25L Convertible Carryall
| Capacity | 25 L |
| Weight | 0 kg |
| Dimensions | 39×34×13 cm |
| Airline fit | 96% |
| Price | $120 |
Key differences between the Waterfield Air Porter and United by Blue (R)evolution 25L Convertible Carryall
- Passport pocket: Top on the Waterfield Air Porter; Front on the United by Blue (R)evolution 25L Convertible Carryall.
- Luggage passthrough: Yes on the Waterfield Air Porter; No on the United by Blue (R)evolution 25L Convertible Carryall.
- Main compartments: 7 on the Waterfield Air Porter; 2 on the United by Blue (R)evolution 25L Convertible Carryall.
Both have: backpack straps, sternum strap, laptop sleeve, 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. 179 accept both. 1 accept only the Waterfield Air Porter, and 2 accept only the United by Blue (R)evolution 25L Convertible Carryall.
Only the Waterfield Air Porter fits
Air Niugini.
Only the United by Blue (R)evolution 25L Convertible Carryall fits
VivaColombia, Volaris.
Waterfield Air Porter vs. United by Blue (R)evolution 25L Convertible Carryall: which should you pack?
The United by Blue (R)evolution 25L Convertible Carryall carries 3L more than the Waterfield Air Porter (22L vs. 25L), and the two are closely matched on weight. For carry-on flexibility, the United by Blue (R)evolution 25L Convertible Carryall fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the United by Blue (R)evolution 25L Convertible Carryall; if you want to travel lighter, the Waterfield Air Porter is the better call.