Deuter UP Seoul vs. Ryu Flex Pack 20L
Two carry-on travel backpacks, compared spec for spec.
Feature by feature
| Deuter UP Seoul | Feature | Ryu Flex Pack 20L |
|---|---|---|
| Storage | ||
| N | Compression | N |
| 26L | Expanded Capacity | None |
| 4 | Opening | 4 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| removable | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside | ||
| 15in | Laptop | 15in |
| 1 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1 | Water Bottle Holder | 1 |
| Y | Water Resistant | Y |
| Material | |
| 300D PES Ripstop, 500D rPES | 100% nylon with silicone coating and Polygiene® finish |
Key differences between the Deuter UP Seoul and Ryu Flex Pack 20L
- Hip belt: Removable on the Deuter UP Seoul; No on the Ryu Flex Pack 20L.
Both have: backpack straps, sternum strap, laptop sleeve, built-in organizer, 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. 172 accept both. 1 accept only the Deuter UP Seoul, and 5 accept only the Ryu Flex Pack 20L.
Only the Deuter UP Seoul fits
Air Niugini.
Only the Ryu Flex Pack 20L fits
American Eagle, easyJet, Ravn Alaska, Regional Express, Virgin Australia.
Deuter UP Seoul vs. Ryu Flex Pack 20L: which should you pack?
The Ryu Flex Pack 20L carries 4L more than the Deuter UP Seoul (16L vs. 20L), and the two are closely matched on weight. For carry-on flexibility, the Ryu Flex Pack 20L fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Ryu Flex Pack 20L; if you want to travel lighter, the Deuter UP Seoul is the better call.