STM Grace vs. Ortlieb Commuter Daypack Urban Line
Two carry-on travel backpacks, compared spec for spec.
Feature by feature
| STM Grace | Feature | Ortlieb Commuter Daypack Urban Line |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 4 | Opening | 2 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | removable |
| N | Sternum Strap | removable |
| Inside | ||
| 15in | Laptop | 15in |
| 1 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| Y | Water Resistant | Y |
| Material | |
| 100% polyester | PS55C |
Ortlieb Commuter Daypack Urban Line
| Capacity | 21 L |
| Weight | 0.74 kg |
| Dimensions | 50×30×15.5 cm |
| Airline fit | 92% |
| Price | $200 |
Key differences between the STM Grace and Ortlieb Commuter Daypack Urban Line
- Opening: Top zip on the STM Grace; Rolltop on the Ortlieb Commuter Daypack Urban Line.
- Hip belt: No on the STM Grace; Removable on the Ortlieb Commuter Daypack Urban Line.
- Sternum strap: No on the STM Grace; Removable on the Ortlieb Commuter Daypack Urban Line.
Both have: 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. 173 accept both. 7 accept only the STM Grace, and 0 accept only the Ortlieb Commuter Daypack Urban Line.
Only the STM Grace fits
Air Tahiti, American Eagle, easyJet, Gulf Air, Ravn Alaska, Regional Express, Virgin Australia.
STM Grace vs. Ortlieb Commuter Daypack Urban Line: which should you pack?
The Ortlieb Commuter Daypack Urban Line carries 1L more than the STM Grace (20L vs. 21L), while the STM Grace is the lighter pack at 0.6kg (vs. 0.74kg). For carry-on flexibility, the STM Grace fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Ortlieb Commuter Daypack Urban Line; if you want to travel lighter, the STM Grace is the better call.