Cotopaxi Allpa 50L Adventure Travel vs. Gregory Border 40

Two carry-on travel backpacks, compared spec for spec.

Cotopaxi Allpa 50L Adventure Travel

Front facing view of the Cotopaxi Allpa 50L Adventure Travel
Capacity50 L
Weight2 kg
Dimensions69×36×26 cm
Airline fit1%
Price$300

Feature by feature

Cotopaxi Allpa 50L Adventure TravelFeatureGregory Border 40
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
back Passport top
N Passthrough N
Carry
hideable Backpack hideable
hideable Hip Belt hideable
Y Sternum Strap Y
Inside
16in Laptop 15in
5 Main Compartments 3
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
100% recycled 840D TPU-coated nylonPVC-Free Coated 210D High Density 66 Nylon PFAS free

Gregory Border 40

Front facing view of the Gregory Border 40
Capacity40 L
Weight1.3 kg
Dimensions56×36×23 cm
Airline fit45%
Price$200

Key differences between the Cotopaxi Allpa 50L Adventure Travel and Gregory Border 40

Both have: backpack straps, hip belt, sternum strap, 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. 1 accept both. 0 accept only the Cotopaxi Allpa 50L Adventure Travel, and 84 accept only the Gregory Border 40.

Only the Gregory Border 40 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, Cathay Pacific, Cebu Pacific, China Airlines, China Southern, CommutAir, Conviasa, Copa Airlines, 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 America, Virgin Atlantic, WOW Airlines.

Cotopaxi Allpa 50L Adventure Travel vs. Gregory Border 40: which should you pack?

The Cotopaxi Allpa 50L Adventure Travel carries 10L more than the Gregory Border 40 (50L vs. 40L), while the Gregory Border 40 is the lighter pack at 1.3kg (vs. 2kg). 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 Cotopaxi Allpa 50L Adventure Travel; if you want to travel lighter, the Gregory Border 40 is the better call.