Ortlieb Light-Pack Two vs. Exped Serac 25
Two carry-on travel backpacks, compared spec for spec.
Ortlieb Light-Pack Two
| Capacity | 25 L |
| Weight | 0.33 kg |
| Dimensions | 47×26×15.5 cm |
| Airline fit | 93% |
| Price | $120 |
Feature by feature
| Ortlieb Light-Pack Two | Feature | Exped Serac 25 |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 4 | Opening | 3 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | Y |
| Inside | ||
| N | Laptop | N |
| 1 | Main Compartments | 1 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 4 | Water Bottle Holder | N |
| Y | Water Resistant | Y |
| Material | |
| PS21 | 420 D ripstop nylon, TPU film laminate, >10'000 mm water column |
Key differences between the Ortlieb Light-Pack Two and Exped Serac 25
- Opening: Top zip on the Ortlieb Light-Pack Two; Top flap on the Exped Serac 25.
- Sternum strap: Removable on the Ortlieb Light-Pack Two; Yes on the Exped Serac 25.
- Water bottle pockets: 4 on the Ortlieb Light-Pack Two; No on the Exped Serac 25.
Both have: backpack straps, hip belt, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 131 accept both. 45 accept only the Ortlieb Light-Pack Two, and 0 accept only the Exped Serac 25.
Only the Ortlieb Light-Pack Two fits
Air Baltic, Air China, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, Etihad Airways, flybe, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Oman Air, Qatar Airways, Regional Express, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, Scoot, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, TUI, Ukraine International, VIM Airlines (Closed), Virgin Australia, Volotea, WestJet, Xiamen.
Ortlieb Light-Pack Two vs. Exped Serac 25: which should you pack?
The Ortlieb Light-Pack Two carries the same capacity as the Exped Serac 25 (25L vs. 25L), while the Ortlieb Light-Pack Two is the lighter pack at 0.33kg (vs. 0.765kg). For carry-on flexibility, the Ortlieb Light-Pack Two fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Ortlieb Light-Pack Two; if you want to travel lighter, the Ortlieb Light-Pack Two is the better call.