Boundary Supply -- Prima System Modular Travel Backpack vs. Briggs and Riley Large Fold-Over Backpack
Two carry-on travel backpacks, compared spec for spec.
Boundary Supply -- Prima System Modular Travel Backpack
| Capacity | 22 L |
| Weight | 1.4 kg |
| Dimensions | 49×28×13 cm |
| Airline fit | 92% |
| Price | $268 |
Feature by feature
| Boundary Supply -- Prima System Modular Travel Backpack | Feature | Briggs and Riley Large Fold-Over Backpack |
|---|---|---|
| Storage | ||
| Y | Compression | N |
| 30L | Expanded Capacity | None |
| 0 | Opening | 0 |
| Y | Passport | N |
| Y | Passthrough | Y |
| Carry | ||
| Y | Backpack | Y |
| removable | Hip Belt | N |
| removable | Sternum Strap | N |
| Inside | ||
| 17in | Laptop | 17in |
| 1 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1 | Water Bottle Holder | 1 |
| Y | Water Resistant | Y |
| Material | |
| Nywool, Nylon, Kodra Nylon | Coated and woven polyester |
Briggs and Riley Large Fold-Over Backpack
| Capacity | 29.7 L |
| Weight | 1.5 kg |
| Dimensions | 47×33×16.5 cm |
| Airline fit | 92% |
| Price | $279 |
Key differences between the Boundary Supply -- Prima System Modular Travel Backpack and Briggs and Riley Large Fold-Over Backpack
- Compression straps: Yes on the Boundary Supply -- Prima System Modular Travel Backpack; No on the Briggs and Riley Large Fold-Over Backpack.
- Passport pocket: Yes on the Boundary Supply -- Prima System Modular Travel Backpack; No on the Briggs and Riley Large Fold-Over Backpack.
- Hip belt: Removable on the Boundary Supply -- Prima System Modular Travel Backpack; No on the Briggs and Riley Large Fold-Over Backpack.
- Sternum strap: Removable on the Boundary Supply -- Prima System Modular Travel Backpack; No on the Briggs and Riley Large Fold-Over Backpack.
Both have: luggage passthrough, backpack straps, laptop sleeve, built-in organizer, 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. 2 accept only the Boundary Supply -- Prima System Modular Travel Backpack, and 2 accept only the Briggs and Riley Large Fold-Over Backpack.
Only the Boundary Supply -- Prima System Modular Travel Backpack fits
Air Niugini, Great Lakes Airlines.
Only the Briggs and Riley Large Fold-Over Backpack fits
Regional Express, Virgin Australia.
Boundary Supply -- Prima System Modular Travel Backpack vs. Briggs and Riley Large Fold-Over Backpack: which should you pack?
The Briggs and Riley Large Fold-Over Backpack carries 7.699999999999999L more than the Boundary Supply -- Prima System Modular Travel Backpack (22L vs. 29.7L), while the Boundary Supply -- Prima System Modular Travel Backpack is the lighter pack at 1.4kg (vs. 1.5kg). For carry-on flexibility, the Boundary Supply -- Prima System Modular Travel Backpack fits 92% 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 -- Prima System Modular Travel Backpack is the better call.