GORUCK GR2 40 vs. Fjallraven Kanken Outlong

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

GORUCK GR2 40

Front facing view of the GORUCK GR2 40
Capacity40 L
Weight2 kg
Dimensions56×32×23 cm
Airline fit47%
Price$395

Feature by feature

GORUCK GR2 40FeatureFjallraven Kanken Outlong
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
front Passport front
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap N
Inside
17in Laptop N
3 Main Compartments 3
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder 2, side
Y Water Resistant Y
Material
1000D Cordura w/ 210D Back PanelVinylon F: 100% vinylal Produced without PFAS

Fjallraven Kanken Outlong

Front facing view of the Fjallraven Kanken Outlong
Capacity18 L
Weight0.5 kg
Dimensions40×28×14 cm
Airline fit99%
Price$155

Key differences between the GORUCK GR2 40 and Fjallraven Kanken Outlong

Both have: passport pocket, backpack straps, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 88 accept both. 0 accept only the GORUCK GR2 40, and 99 accept only the Fjallraven Kanken Outlong.

Only the Fjallraven Kanken Outlong fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Malta, Air Mauritius, Air Niugini, Air Serbia, Air Seychelles, Air Tahiti, All Nipon Airways, American Eagle, ANA, Asiana Airlines, ATA Airlines, Austrian, Azerbaijan Airlines, Belavia, Blue Air, Boliviana de Aviacion, Brussels Airlines, Bulgaria Air, China Eastern, Czech Airlines, easyJet, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, Fiji Airways, Flair Air, flybe, Gol Linhas Aereas, Great Lakes Airlines, Gulf Air, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Japan Airlines, Jet Airways, Juneyao Airlines, Kenya Airways, KLM, LATAM , LC Perú, Liat Airlines, Lion Air Group, LOT Polish, Lufthansa, Luxair, Mahan Air, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Oman Air, Pakistan International, Peach, Porter Airlines, Qatar Airways, Ravn Alaska, Regional Express, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Spring Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, TUI, Turkish Airlines, Ukraine International, VIM Airlines (Closed), Virgin Australia, VivaColombia, Volaris, Volotea, WestJet, Wizz Air, Xiamen.

GORUCK GR2 40 vs. Fjallraven Kanken Outlong: which should you pack?

The GORUCK GR2 40 carries 22L more than the Fjallraven Kanken Outlong (40L vs. 18L), while the Fjallraven Kanken Outlong is the lighter pack at 0.5kg (vs. 2kg). For carry-on flexibility, the Fjallraven Kanken Outlong fits 99% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the GORUCK GR2 40; if you want to travel lighter, the Fjallraven Kanken Outlong is the better call.