Gregory Alpaca 40 vs. Red Oxx Air Boss
Two carry-on travel backpacks, compared spec for spec.
Gregory Alpaca 40
| Capacity | 40 L |
| Weight | 1.2 kg |
| Dimensions | 57.9×33.8×28.7 cm |
| Airline fit | 1% |
| Price | $140 |
Feature by feature
| Gregory Alpaca 40 | Feature | Red Oxx Air Boss |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| side | Passport | side |
| N | Passthrough | N |
| Carry | ||
| removable | Backpack | N |
| N | Hip Belt | N |
| N | Sternum Strap | N |
| Inside | ||
| N | Laptop | 15in |
| 3 | Main Compartments | 6 |
| N | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| Y | Water Resistant | Y |
| Material | |
| 40% Recycled 900D Polyester Ripstop with TPU Weather resistant coating | 1000 weight urethane coated, Dupont certified CORDURA® Brand Nylon |
Red Oxx Air Boss
| Capacity | 40 L |
| Weight | 1.8 kg |
| Dimensions | 56×36×20 cm |
| Airline fit | 46% |
| Price | $385 |
Key differences between the Gregory Alpaca 40 and Red Oxx Air Boss
- Backpack straps: Removable on the Gregory Alpaca 40; No on the Red Oxx Air Boss.
- Laptop sleeve: No on the Gregory Alpaca 40; 15in on the Red Oxx Air Boss.
- Main compartments: 3 on the Gregory Alpaca 40; 6 on the Red Oxx Air Boss.
- Built-in organizer: No on the Gregory Alpaca 40; Yes on the Red Oxx Air Boss.
Both have: passport pocket, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 2 accept both. 0 accept only the Gregory Alpaca 40, and 85 accept only the Red Oxx Air Boss.
Only the Red Oxx Air Boss fits
Adria Airways, Aegean Airlines, Air Asia, Air Astana, Air Europa, Air Koryo, Air Macau, Air New Zealand, Air Nostrum, Air Tahiti Nui, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Atlas Global, Avianca , Azul Linhas, Bahamasair, Bangkok Airways, Biman Bangladesh, British Airways, Cambodia Angkor Air, Caribbean Airlines, Cathay Pacific, Cebu Pacific, China Airlines, China Southern, CommutAir, Conviasa, Copa Airlines, Croatia Air, Cubana de Aviacion, Delta Airlines, Dragonair, EL AL, EVA Air, Finnair, Frontier Airlines, Garuda Indonesia, Hainan Airlines, Hawaiian Airlines, Hong Kong Airlines, Iran Aseman Air, Island Air, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Korean Air, Kulula, Kuwait Air, Malaysia Airlines, Mango, Middle East Airlines, Monarch Airlines, Onur Air, PenAir, Philippine Airlines, Qantas Airways, Republic Airways, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Skywest, Inc., South African Airways, Southwest Airlines, SpiceJet, Spirit Airlines, SriLankan Airlines, Sun Country, TAAG Angola, TAM Airlines, Thai Airways, Trans States, Travel Service Airlines, United Airlines, Ural Airlines, Uzbekistan Air, Vietnam Airlines, Virgin Atlantic, WOW Airlines.
Gregory Alpaca 40 vs. Red Oxx Air Boss: which should you pack?
The Gregory Alpaca 40 carries the same capacity as the Red Oxx Air Boss (40L vs. 40L), while the Gregory Alpaca 40 is the lighter pack at 1.2kg (vs. 1.8kg). For carry-on flexibility, the Red Oxx Air Boss fits 46% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Gregory Alpaca 40; if you want to travel lighter, the Gregory Alpaca 40 is the better call.