Boundary Supply -- Prima System Modular Travel Backpack vs. Pacsafe Venturesafe 25L G3 Anti-Theft 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 | Pacsafe Venturesafe 25L G3 Anti-Theft Backpack |
|---|---|---|
| Storage | ||
| Y | Compression | Y |
| 30L | Expanded Capacity | None |
| 0 | Opening | 4 |
| Y | Passport | Y |
| Y | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | Y |
| Inside | ||
| 17in | Laptop | 16in |
| 1 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1 | Water Bottle Holder | 2 |
| Y | Water Resistant | Y |
| Material | |
| Nywool, Nylon, Kodra Nylon | 100D Nylon Geo diamond ripstop, 200D Polyester |
Pacsafe Venturesafe 25L G3 Anti-Theft Backpack
| Capacity | 25 L |
| Weight | 0.76 kg |
| Dimensions | 49×28×15.5 cm |
| Airline fit | 92% |
| Price | $120 |
Key differences between the Boundary Supply -- Prima System Modular Travel Backpack and Pacsafe Venturesafe 25L G3 Anti-Theft Backpack
- Opening: Other on the Boundary Supply -- Prima System Modular Travel Backpack; Top zip on the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack.
- Luggage passthrough: Yes on the Boundary Supply -- Prima System Modular Travel Backpack; No on the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack.
- Sternum strap: Removable on the Boundary Supply -- Prima System Modular Travel Backpack; Yes on the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack.
- Laptop sleeve: 17in on the Boundary Supply -- Prima System Modular Travel Backpack; 16in on the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack.
- Water bottle pockets: 1 on the Boundary Supply -- Prima System Modular Travel Backpack; 2 on the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack.
Both have: compression straps, passport pocket, backpack straps, hip belt, built-in organizer, 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. Every airline that takes one takes the other.
Boundary Supply -- Prima System Modular Travel Backpack vs. Pacsafe Venturesafe 25L G3 Anti-Theft Backpack: which should you pack?
The Pacsafe Venturesafe 25L G3 Anti-Theft Backpack carries 3L more than the Boundary Supply -- Prima System Modular Travel Backpack (22L vs. 25L), while the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack is the lighter pack at 0.76kg (vs. 1.4kg). 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 Pacsafe Venturesafe 25L G3 Anti-Theft Backpack; if you want to travel lighter, the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack is the better call.