Cabin Zero ADV Dry 30L vs. Boundary Supply Rennen X-Pac Daypack

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

Cabin Zero ADV Dry 30L

Front facing view of the Cabin Zero ADV Dry 30L
Capacity30 L
Weight310 kg
Dimensions50×32×15 cm
Airline fit91%
Price$73

Feature by feature

Cabin Zero ADV Dry 30LFeatureBoundary Supply Rennen X-Pac Daypack
Storage
N Compression N
None Expanded Capacity None
4 Opening 4
N Passport N
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap N
Inside
N Laptop 15in
1 Main Compartments 1
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1 Water Bottle Holder 1
Y Water Resistant Y
Material
70 Denier Nylon Ripstop fabric with TPU filmCustom VX21 X-Pac material

Boundary Supply Rennen X-Pac Daypack

Front facing view of the Boundary Supply Rennen X-Pac Daypack
Capacity22 L
Weight0.9 kg
Dimensions46×28×18 cm
Airline fit95%
Price$170

Key differences between the Cabin Zero ADV Dry 30L and Boundary Supply Rennen X-Pac Daypack

Both have: backpack straps, 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. 172 accept both. 0 accept only the Cabin Zero ADV Dry 30L, and 7 accept only the Boundary Supply Rennen X-Pac Daypack.

Only the Boundary Supply Rennen X-Pac Daypack fits

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

Cabin Zero ADV Dry 30L vs. Boundary Supply Rennen X-Pac Daypack: which should you pack?

The Cabin Zero ADV Dry 30L carries 8L more than the Boundary Supply Rennen X-Pac Daypack (30L vs. 22L), while the Boundary Supply Rennen X-Pac Daypack is the lighter pack at 0.9kg (vs. 310kg). For carry-on flexibility, the Boundary Supply Rennen X-Pac Daypack fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cabin Zero ADV Dry 30L; if you want to travel lighter, the Boundary Supply Rennen X-Pac Daypack is the better call.