Fjallraven Ulvö Rolltop 23 vs. NEEKFOX 35L Backpack

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

Fjallraven Ulvö Rolltop 23

Front facing view of the Fjallraven Ulvö Rolltop 23
Capacity23 L
Weight0.65 kg
Dimensions43×26×12 cm
Airline fit96%
Price$135

Feature by feature

Fjallraven Ulvö Rolltop 23FeatureNEEKFOX 35L Backpack
Storage
Y Compression Y
None Expanded Capacity None
2 Opening 4
N Passport N
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap Y
Inside
15in Laptop 13in
1 Main Compartments 2
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2 Water Bottle Holder 2
Y Water Resistant Y
Material
Bergshell®: 400D 100% polyamideRipstop Nylon

NEEKFOX 35L Backpack

Front facing view of the NEEKFOX 35L Backpack
Capacity35 L
Weight0.4 kg
Dimensions53×33×23 cm
Airline fit70%
Price$24

Key differences between the Fjallraven Ulvö Rolltop 23 and NEEKFOX 35L Backpack

Both have: compression straps, backpack straps, 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. 132 accept both. 49 accept only the Fjallraven Ulvö Rolltop 23, and 0 accept only the NEEKFOX 35L Backpack.

Only the Fjallraven Ulvö Rolltop 23 fits

Air Baltic, Air China, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Air Tahiti, American Eagle, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, easyJet, Emirates Airlines, Enter Air, Etihad Airways, flybe, Great Lakes Airlines, Gulf Air, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Oman Air, Pakistan International, Qatar Airways, Ravn Alaska, Regional Express, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Virgin Australia, Volotea, Xiamen.

Fjallraven Ulvö Rolltop 23 vs. NEEKFOX 35L Backpack: which should you pack?

The NEEKFOX 35L Backpack carries 12L more than the Fjallraven Ulvö Rolltop 23 (23L vs. 35L), while the NEEKFOX 35L Backpack is the lighter pack at 0.4kg (vs. 0.65kg). For carry-on flexibility, the Fjallraven Ulvö Rolltop 23 fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the NEEKFOX 35L Backpack; if you want to travel lighter, the NEEKFOX 35L Backpack is the better call.