Waterfield Air Porter vs. Tortuga Outbreaker Daypack

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

Waterfield Air Porter

Capacity22 L
Weight1.3 kg
Dimensions42×30×18 cm
Airline fit95%
Price$420

Feature by feature

Waterfield Air PorterFeatureTortuga Outbreaker Daypack
Storage
N Compression N
None Expanded Capacity None
0 Opening 0
top Passport front
Y Passthrough N
Carry
hideable Backpack Y
N Hip Belt N
removable Sternum Strap removable
Inside
15in Laptop 15in
7 Main Compartments 2
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
1680 Denier black Ballistic nylonX-Pac waterproof sailcloth

Tortuga Outbreaker Daypack

Front facing view of the Tortuga Outbreaker Daypack
Capacity21 L
Weight0.5 kg
Dimensions43×28×17 cm
Airline fit96%
Price$125

Key differences between the Waterfield Air Porter and Tortuga Outbreaker Daypack

Both have: 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. 180 accept both. 0 accept only the Waterfield Air Porter, and 1 accept only the Tortuga Outbreaker Daypack.

Only the Tortuga Outbreaker Daypack fits

Great Lakes Airlines.

Waterfield Air Porter vs. Tortuga Outbreaker Daypack: which should you pack?

The Waterfield Air Porter carries 1L more than the Tortuga Outbreaker Daypack (22L vs. 21L), while the Tortuga Outbreaker Daypack is the lighter pack at 0.5kg (vs. 1.3kg). For carry-on flexibility, the Tortuga Outbreaker Daypack fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Waterfield Air Porter; if you want to travel lighter, the Tortuga Outbreaker Daypack is the better call.