Tortuga Outbreaker Backpack 45L vs. Gossamer Gear Aero Jet

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

Tortuga Outbreaker Backpack 45L

Capacity45 L
Weight2.3 kg
Dimensions56×36×23 cm
Airline fit45%
Price$350

Feature by feature

Tortuga Outbreaker Backpack 45LFeatureGossamer Gear Aero Jet
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
front Passport back
N Passthrough Y
Carry
Y Backpack Y
removable Hip Belt optional
Y Sternum Strap Y
Inside
17in Laptop 17in
4 Main Compartments 4
Y Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
X-Pac VX21210D Recycled Robic Nylon (PFAS-Free)

Gossamer Gear Aero Jet

Front facing view of the Gossamer Gear Aero Jet
Capacity35 L
Weight1.1 kg
Dimensions53×31×19 cm
Airline fit88%
Price$225

Key differences between the Tortuga Outbreaker Backpack 45L and Gossamer Gear Aero Jet

Both have: backpack 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. 0 accept only the Tortuga Outbreaker Backpack 45L, and 82 accept only the Gossamer Gear Aero Jet.

Only the Gossamer Gear Aero Jet fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Malta, Air Mauritius, Air Serbia, Air Seychelles, All Nipon Airways, ANA, Asiana Airlines, ATA Airlines, Austrian, Azerbaijan Airlines, 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, 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, Pakistan International, Peach, Porter Airlines, Royal Brunei Airlines, 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), Volotea, WestJet, Xiamen.

Tortuga Outbreaker Backpack 45L vs. Gossamer Gear Aero Jet: which should you pack?

The Tortuga Outbreaker Backpack 45L carries 10L more than the Gossamer Gear Aero Jet (45L vs. 35L), while the Gossamer Gear Aero Jet is the lighter pack at 1.1kg (vs. 2.3kg). For carry-on flexibility, the Gossamer Gear Aero Jet fits 88% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Tortuga Outbreaker Backpack 45L; if you want to travel lighter, the Gossamer Gear Aero Jet is the better call.