Kathmandu Cotingo Pack 25L vs. Boundary Supply Rennen Recycled Daypack
Two carry-on travel backpacks, compared spec for spec.
Kathmandu Cotingo Pack 25L
| Capacity | 25 L |
| Weight | 0.6 kg |
| Dimensions | 50×31×20 cm |
| Airline fit | 91% |
| Price | $80 |
Feature by feature
| Kathmandu Cotingo Pack 25L | 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 |
| N | Hip Belt | N |
| Y | Sternum Strap | N |
| Inside | ||
| 15in | Laptop | 15in |
| 1 | Main Compartments | 1 |
| Y | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1 | Water Bottle Holder | 1 |
| N | Water Resistant | Y |
| Material | |
| 600D Polyester | 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 Kathmandu Cotingo Pack 25L and Boundary Supply Rennen Recycled Daypack
- Sternum strap: Yes on the Kathmandu Cotingo Pack 25L; No on the Boundary Supply Rennen Recycled Daypack.
- Built-in organizer: Yes on the Kathmandu Cotingo Pack 25L; No on the Boundary Supply Rennen Recycled Daypack.
- Water resistant: No on the Kathmandu Cotingo Pack 25L; Yes on the Boundary Supply Rennen Recycled Daypack.
Both have: backpack straps, laptop sleeve, water bottle pockets.
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. 0 accept only the Kathmandu Cotingo Pack 25L, and 7 accept only the Boundary Supply Rennen Recycled Daypack.
Only the Boundary Supply Rennen Recycled Daypack fits
Air Niugini, American Eagle, easyJet, Great Lakes Airlines, Ravn Alaska, Regional Express, Virgin Australia.
Kathmandu Cotingo Pack 25L vs. Boundary Supply Rennen Recycled Daypack: which should you pack?
The Kathmandu Cotingo Pack 25L carries 3L more than the Boundary Supply Rennen Recycled Daypack (25L vs. 22L), while the Kathmandu Cotingo Pack 25L is the lighter pack at 0.6kg (vs. 0.9kg). For carry-on flexibility, the Boundary Supply Rennen Recycled Daypack fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Kathmandu Cotingo Pack 25L; if you want to travel lighter, the Kathmandu Cotingo Pack 25L is the better call.