Boundary Supply Errant X-Pac vs. Tortuga Setout Backpack 45L
Two carry-on travel backpacks, compared spec for spec.
Boundary Supply Errant X-Pac
| Capacity | 22 L |
| Weight | 1.4 kg |
| Dimensions | 48×29×14 cm |
| Airline fit | 93% |
| Price | $250 |
Feature by feature
| Boundary Supply Errant X-Pac | Feature | Tortuga Setout Backpack 45L |
|---|---|---|
| Storage | ||
| Y | Compression | Y |
| None | Expanded Capacity | None |
| 3 | Opening | 4 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | hideable |
| N | Hip Belt | removable |
| Y | Sternum Strap | Y |
| Inside | ||
| 17in | Laptop | 17in |
| 1 | Main Compartments | 3 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1 | Water Bottle Holder | 1 |
| Y | Water Resistant | Y |
| Material | |
| X-Pac | 900D polyester |
Tortuga Setout Backpack 45L
| Capacity | 45 L |
| Weight | 1.77 kg |
| Dimensions | 55.88×35.56×22.86 cm |
| Airline fit | 45% |
| Price | $229 |
Key differences between the Boundary Supply Errant X-Pac and Tortuga Setout Backpack 45L
- Opening: Top flap on the Boundary Supply Errant X-Pac; Top zip on the Tortuga Setout Backpack 45L.
- Backpack straps: Yes on the Boundary Supply Errant X-Pac; Hideable on the Tortuga Setout Backpack 45L.
- Hip belt: No on the Boundary Supply Errant X-Pac; Removable on the Tortuga Setout Backpack 45L.
- Main compartments: 1 on the Boundary Supply Errant X-Pac; 3 on the Tortuga Setout Backpack 45L.
Both have: compression straps, sternum strap, laptop sleeve, 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. 85 accept both. 90 accept only the Boundary Supply Errant X-Pac, and 0 accept only the Tortuga Setout Backpack 45L.
Only the Boundary Supply Errant X-Pac fits
Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Malta, Air Mauritius, Air Niugini, Air Serbia, Air Seychelles, All Nipon Airways, ANA, Asiana Airlines, ATA Airlines, Austrian, Azerbaijan Airlines, Belavia, Blue Air, Boliviana de Aviacion, Brussels Airlines, Bulgaria Air, Caribbean Airlines, Cayman Airways, China Eastern, Croatia Air, Czech Airlines, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, Fiji Airways, Flair Air, flybe, Gol Linhas Aereas, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Japan Airlines, Jet Airways, Juneyao Airlines, Kenya Airways, KLM, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Oman Air, Pakistan International, Peach, Porter Airlines, Qatar Airways, Regional Express, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, TUI, Turkish Airlines, Ukraine International, VIM Airlines (Closed), Virgin Australia, Volotea, WestJet, Xiamen.
Boundary Supply Errant X-Pac vs. Tortuga Setout Backpack 45L: which should you pack?
The Tortuga Setout Backpack 45L carries 23L more than the Boundary Supply Errant X-Pac (22L vs. 45L), while the Boundary Supply Errant X-Pac is the lighter pack at 1.4kg (vs. 1.77kg). For carry-on flexibility, the Boundary Supply Errant X-Pac fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Tortuga Setout Backpack 45L; if you want to travel lighter, the Boundary Supply Errant X-Pac is the better call.