Briggs and Riley Large Fold-Over Backpack vs. Boundary Supply Rennen X-Pac Daypack

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

Briggs and Riley Large Fold-Over Backpack

Front facing view of the Briggs and Riley Large Fold-Over Backpack
Capacity29.7 L
Weight1.5 kg
Dimensions47×33×16.5 cm
Airline fit92%
Price$279

Feature by feature

Briggs and Riley Large Fold-Over BackpackFeatureBoundary Supply Rennen X-Pac Daypack
Storage
N Compression N
None Expanded Capacity None
0 Opening 4
N Passport N
Y Passthrough N
Carry
Y Backpack Y
N Hip Belt N
N Sternum Strap N
Inside
17in Laptop 15in
1 Main Compartments 1
Y Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1 Water Bottle Holder 1
Y Water Resistant Y
Material
Coated and woven polyesterCustom 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 Briggs and Riley Large Fold-Over Backpack 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. 174 accept both. 0 accept only the Briggs and Riley Large Fold-Over Backpack, and 5 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.

Briggs and Riley Large Fold-Over Backpack vs. Boundary Supply Rennen X-Pac Daypack: which should you pack?

The Briggs and Riley Large Fold-Over Backpack carries 7.699999999999999L more than the Boundary Supply Rennen X-Pac Daypack (29.7L vs. 22L), while the Boundary Supply Rennen X-Pac Daypack is the lighter pack at 0.9kg (vs. 1.5kg). 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 Briggs and Riley Large Fold-Over Backpack; if you want to travel lighter, the Boundary Supply Rennen X-Pac Daypack is the better call.