Pakt Travel Backpack vs. Boundary Supply Prima
Two carry-on travel backpacks, compared spec for spec.
Pakt Travel Backpack
| Capacity | 35 L |
| Weight | 1.9 kg |
| Dimensions | 55×32×21 cm |
| Airline fit | 69% |
| Price | $325 |
Feature by feature
| Pakt Travel Backpack | Feature | Boundary Supply Prima |
|---|---|---|
| Storage | ||
| 2 | Compression | 2 |
| None | Expanded Capacity | None |
| 1 | Opening | 3 |
| front | Passport | top |
| Y | Passthrough | Y |
| Carry | ||
| hideable | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside | ||
| 16in | Laptop | 16in |
| 5 | Main Compartments | 0 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |
| Material | |
| 500D recycled nylon | 500D Kodra Nylon YKK StormGuard |
Boundary Supply Prima
| Capacity | 30 L |
| Weight | 1.9 kg |
| Dimensions | 53×31×18 cm |
| Airline fit | 88% |
| Price | $319 |
Key differences between the Pakt Travel Backpack and Boundary Supply Prima
- Opening: Clamshell on the Pakt Travel Backpack; Top flap on the Boundary Supply Prima.
- Passport pocket: Front on the Pakt Travel Backpack; Top on the Boundary Supply Prima.
- Backpack straps: Hideable on the Pakt Travel Backpack; Yes on the Boundary Supply Prima.
Both have: compression straps, luggage passthrough, hip belt, sternum strap, 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. 130 accept both. 0 accept only the Pakt Travel Backpack, and 37 accept only the Boundary Supply Prima.
Only the Boundary Supply Prima fits
Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Royal Brunei Airlines, Ryanair, S7, Scoot, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, TUI, Ukraine International, VIM Airlines (Closed), Volotea, WestJet, Xiamen.
Pakt Travel Backpack vs. Boundary Supply Prima: which should you pack?
The Pakt Travel Backpack carries 5L more than the Boundary Supply Prima (35L vs. 30L), while the Pakt Travel Backpack is the lighter pack at 1.9kg (vs. 1.9kg). For carry-on flexibility, the Boundary Supply Prima fits 88% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Pakt Travel Backpack; if you want to travel lighter, the Pakt Travel Backpack is the better call.