Tortuga Outbreaker 35L vs. ULA Equipment Ultra 36L Dragonfly

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

Tortuga Outbreaker 35L

Front facing view of the Tortuga Outbreaker 35L
Capacity35 L
Weight2 kg
Dimensions52×33×21 cm
Airline fit71%
Price$300

Feature by feature

Tortuga Outbreaker 35LFeatureULA Equipment Ultra 36L Dragonfly
Storage
N Compression 2
None Expanded Capacity None
1 Opening 1
front Passport top
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
Y Sternum Strap removable
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 VX21Challenge ULTRA, ULTRA TX, UltraStretch

ULA Equipment Ultra 36L Dragonfly

Front facing view of the ULA Equipment Ultra 36L Dragonfly
Capacity36 L
Weight0.9 kg
Dimensions52×30×19 cm
Airline fit88%
Price$320

Key differences between the Tortuga Outbreaker 35L and ULA Equipment Ultra 36L Dragonfly

Both have: backpack straps, hip belt, 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. 134 accept both. 0 accept only the Tortuga Outbreaker 35L, and 33 accept only the ULA Equipment Ultra 36L Dragonfly.

Only the ULA Equipment Ultra 36L Dragonfly 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, Luxair, Meridiana Fly, Nordwind Airlines, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

Tortuga Outbreaker 35L vs. ULA Equipment Ultra 36L Dragonfly: which should you pack?

The ULA Equipment Ultra 36L Dragonfly carries 1L more than the Tortuga Outbreaker 35L (35L vs. 36L), while the ULA Equipment Ultra 36L Dragonfly is the lighter pack at 0.9kg (vs. 2kg). For carry-on flexibility, the ULA Equipment Ultra 36L Dragonfly fits 88% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the ULA Equipment Ultra 36L Dragonfly; if you want to travel lighter, the ULA Equipment Ultra 36L Dragonfly is the better call.