Tom Bihn Daylight vs. STM Grace
Two carry-on travel backpacks, compared spec for spec.
Tom Bihn Daylight
| Capacity | 16.5 L |
| Weight | 0.8 kg |
| Dimensions | 44×31×13 cm |
| Airline fit | 95% |
| Price | $85 |
Feature by feature
| Tom Bihn Daylight | Feature | STM Grace |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 4 | Opening | 4 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| Y | Hip Belt | N |
| N | Sternum Strap | N |
| Inside | ||
| 15in | Laptop | 15in |
| 1 | Main Compartments | 1 |
| N | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| Y | Water Resistant | Y |
| Material | |
| Ultralight 400d Halcyon/420d nylon ripstop exterior/ 525 denier 2x2 bluesign® Ballistic nylon exterior | 100% polyester |
Key differences between the Tom Bihn Daylight and STM Grace
- Hip belt: Yes on the Tom Bihn Daylight; No on the STM Grace.
- Built-in organizer: No on the Tom Bihn Daylight; Yes on the STM Grace.
Both have: backpack straps, laptop sleeve, 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. 0 accept only the Tom Bihn Daylight, and 1 accept only the STM Grace.
Only the STM Grace fits
Air Niugini.
Tom Bihn Daylight vs. STM Grace: which should you pack?
The STM Grace carries 3.5L more than the Tom Bihn Daylight (16.5L vs. 20L), while the STM Grace is the lighter pack at 0.6kg (vs. 0.8kg). For carry-on flexibility, the Tom Bihn Daylight fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the STM Grace; if you want to travel lighter, the STM Grace is the better call.