Tom Bihn Daylight vs. Boundary Supply Rennen Recycled Daypack
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 | Boundary Supply Rennen Recycled Daypack |
|---|---|---|
| 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 | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 1 |
| Y | Water Resistant | Y |
| Material | |
| Ultralight 400d Halcyon/420d nylon ripstop exterior/ 525 denier 2x2 bluesign® Ballistic nylon exterior | RE-3™ 600/500D Eco Cordura® |
Boundary Supply Rennen Recycled Daypack
| Capacity | 22 L |
| Weight | 0.9 kg |
| Dimensions | 46×28×18 cm |
| Airline fit | 95% |
| Price | $140 |
Key differences between the Tom Bihn Daylight and Boundary Supply Rennen Recycled Daypack
- Hip belt: Yes on the Tom Bihn Daylight; No on the Boundary Supply Rennen Recycled Daypack.
- Water bottle pockets: No on the Tom Bihn Daylight; 1 on the Boundary Supply Rennen Recycled Daypack.
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. 177 accept both. 2 accept only the Tom Bihn Daylight, and 2 accept only the Boundary Supply Rennen Recycled Daypack.
Only the Tom Bihn Daylight fits
Air Tahiti, Gulf Air.
Only the Boundary Supply Rennen Recycled Daypack fits
Air Niugini, Great Lakes Airlines.
Tom Bihn Daylight vs. Boundary Supply Rennen Recycled Daypack: which should you pack?
The Boundary Supply Rennen Recycled Daypack carries 5.5L more than the Tom Bihn Daylight (16.5L vs. 22L), while the Tom Bihn Daylight is the lighter pack at 0.8kg (vs. 0.9kg). 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 Boundary Supply Rennen Recycled Daypack; if you want to travel lighter, the Tom Bihn Daylight is the better call.