Boundary Supply Rennen Recycled Daypack vs. Boundary Supply Rennen X-Pac Daypack

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

Boundary Supply Rennen Recycled Daypack

Front facing view of the Boundary Supply Rennen Recycled Daypack
Capacity22 L
Weight0.9 kg
Dimensions46×28×18 cm
Airline fit95%
Price$140

Feature by feature

Boundary Supply Rennen Recycled DaypackFeatureBoundary 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
N Sternum Strap N
Inside
15in 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
RE-3™ 600/500D Eco Cordura®Custom 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

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 179 accept both. Every airline that takes one takes the other.

Boundary Supply Rennen Recycled Daypack vs. Boundary Supply Rennen X-Pac Daypack: which should you pack?

The Boundary Supply Rennen Recycled Daypack carries the same capacity as the Boundary Supply Rennen X-Pac Daypack (22L vs. 22L), while the Boundary Supply Rennen Recycled Daypack is the lighter pack at 0.9kg (vs. 0.9kg). For carry-on flexibility, the Boundary Supply Rennen Recycled Daypack fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Boundary Supply Rennen Recycled Daypack; if you want to travel lighter, the Boundary Supply Rennen Recycled Daypack is the better call.