Gregory Border 40 vs. Cotopaxi Allpa 35L
Two carry-on travel backpacks, compared spec for spec.
Gregory Border 40
| Capacity | 40 L |
| Weight | 1.3 kg |
| Dimensions | 56×36×23 cm |
| Airline fit | 45% |
| Price | $200 |
Feature by feature
| Gregory Border 40 | Feature | Cotopaxi Allpa 35L |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | front |
| N | Passthrough | Y |
| Carry | ||
| hideable | Backpack | hideable |
| hideable | Hip Belt | hideable |
| Y | Sternum Strap | Y |
| Inside | ||
| 15in | Laptop | 15in |
| 3 | Main Compartments | 3 |
| N | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |
| Material | |
| PVC-Free Coated 210D High Density 66 Nylon PFAS free | 100% recycled 840D TPU-coated nylon |
Cotopaxi Allpa 35L
| Capacity | 35 L |
| Weight | 1.3 kg |
| Dimensions | 56×30×25 cm |
| Airline fit | 26% |
| Price | $225 |
Key differences between the Gregory Border 40 and Cotopaxi Allpa 35L
- Passport pocket: Top on the Gregory Border 40; Front on the Cotopaxi Allpa 35L.
- Luggage passthrough: No on the Gregory Border 40; Yes on the Cotopaxi Allpa 35L.
- Built-in organizer: No on the Gregory Border 40; Yes on the Cotopaxi Allpa 35L.
Both have: backpack straps, hip belt, sternum strap, laptop sleeve, water bottle pockets, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 48 accept both. 37 accept only the Gregory Border 40, and 2 accept only the Cotopaxi Allpa 35L.
Only the Gregory Border 40 fits
Air Asia, Air Macau, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Avianca , Bahamasair, Bangkok Airways, Biman Bangladesh, Cambodia Angkor Air, Cathay Pacific, Cebu Pacific, China Airlines, CommutAir, Delta Airlines, Dragonair, EVA Air, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kulula, Malaysia Airlines, Mango, Qantas Airways, Republic Airways, Skywest, Inc., South African Airways, SriLankan Airlines, Trans States, United Airlines, Vietnam Airlines, Virgin Atlantic.
Only the Cotopaxi Allpa 35L fits
Caribbean Airlines, Croatia Air.
Gregory Border 40 vs. Cotopaxi Allpa 35L: which should you pack?
The Gregory Border 40 carries 5L more than the Cotopaxi Allpa 35L (40L vs. 35L), while the Gregory Border 40 is the lighter pack at 1.3kg (vs. 1.3kg). For carry-on flexibility, the Gregory Border 40 fits 45% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Gregory Border 40; if you want to travel lighter, the Gregory Border 40 is the better call.