Mountainsmith Divide EVO Daypack vs. Tortuga Outbreaker Daypack

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

Mountainsmith Divide EVO Daypack

Front facing view of the Mountainsmith Divide EVO Daypack
Capacity16 L
Weight0.7 kg
Dimensions44×29×15 cm
Airline fit95%
Price$130

Feature by feature

Mountainsmith Divide EVO DaypackFeatureTortuga Outbreaker Daypack
Storage
N Compression N
None Expanded Capacity None
0 Opening 0
front Passport front
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
removable Sternum Strap removable
Inside
15in Laptop 15in
3 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
500d Nylon CorduraX-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 Mountainsmith Divide EVO Daypack and Tortuga Outbreaker Daypack

Both have: passport pocket, 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. 180 accept both. 0 accept only the Mountainsmith Divide EVO Daypack, and 1 accept only the Tortuga Outbreaker Daypack.

Only the Tortuga Outbreaker Daypack fits

Great Lakes Airlines.

Mountainsmith Divide EVO Daypack vs. Tortuga Outbreaker Daypack: which should you pack?

The Tortuga Outbreaker Daypack carries 5L more than the Mountainsmith Divide EVO Daypack (16L vs. 21L), while the Tortuga Outbreaker Daypack is the lighter pack at 0.5kg (vs. 0.7kg). 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 Tortuga Outbreaker Daypack; if you want to travel lighter, the Tortuga Outbreaker Daypack is the better call.