Mammut Nirvana 28 vs. Outlander Packable Backpack

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

Mammut Nirvana 28

Front facing view of the Mammut Nirvana 28
Capacity28 L
Weight1.1 kg
Dimensions50×30×19 cm
Airline fit92%
Price$220

Feature by feature

Mammut Nirvana 28FeatureOutlander Packable Backpack
Storage
6 Compression N
None Expanded Capacity None
1 Opening 0
front Passport front
N Passthrough N
Carry
Y Backpack Y
Y Hip Belt N
Y Sternum Strap N
Inside
N Laptop N
3 Main Compartments 3
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 2, side
N Water Resistant N
Material
90% Polyamide, 10% Polyester

Outlander Packable Backpack

Front facing view of the Outlander Packable Backpack
Capacity20 L
Weight0.5 kg
Dimensions43×27×18 cm
Airline fit96%
Price$20

Key differences between the Mammut Nirvana 28 and Outlander Packable Backpack

Both have: passport pocket, backpack straps, water bottle pockets.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 173 accept both. 0 accept only the Mammut Nirvana 28, and 8 accept only the Outlander Packable Backpack.

Only the Outlander Packable Backpack fits

Air Tahiti, American Eagle, easyJet, Great Lakes Airlines, Gulf Air, Ravn Alaska, Regional Express, Virgin Australia.

Mammut Nirvana 28 vs. Outlander Packable Backpack: which should you pack?

The Mammut Nirvana 28 carries 8L more than the Outlander Packable Backpack (28L vs. 20L), while the Outlander Packable Backpack is the lighter pack at 0.5kg (vs. 1.1kg). For carry-on flexibility, the Outlander Packable Backpack fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Mammut Nirvana 28; if you want to travel lighter, the Outlander Packable Backpack is the better call.