Osprey Nebula 32 vs. Cotopaxi Mente 32L Daypack - Cada Día

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

Osprey Nebula 32

Front facing view of the Osprey Nebula 32
Capacity32 L
Weight1 kg
Dimensions49×31×29 cm
Airline fit13%
Price$140

Feature by feature

Osprey Nebula 32FeatureCotopaxi Mente 32L Daypack - Cada Día
Storage
4 Compression 2
None Expanded Capacity None
1 Opening 0
top Passport top
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
Y Sternum Strap Y
Inside
16in Laptop 16in
3 Main Compartments 4
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
420D recycled nylon, PFAS-free DWR100% recycled 330D ripstop nylon PFC-free DWR

Cotopaxi Mente 32L Daypack - Cada Día

Front facing view of the Cotopaxi Mente 32L Daypack - Cada Día
Capacity32 L
Weight0.7 kg
Dimensions53×32×25 cm
Airline fit39%
Price$145

Key differences between the Osprey Nebula 32 and Cotopaxi Mente 32L Daypack - Cada Día

Both have: passport pocket, backpack straps, hip belt, sternum strap, laptop sleeve, built-in organizer, 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. 25 accept both. 0 accept only the Osprey Nebula 32, and 48 accept only the Cotopaxi Mente 32L Daypack - Cada Día.

Only the Cotopaxi Mente 32L Daypack - Cada Día fits

Aegean Airlines, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Astana, Air Caraibes, Air France, Air India, Air Mauritius, Air Nostrum, All Nipon Airways, ANA, Atlas Global, Boliviana de Aviacion, British Airways, Conviasa, Copa Airlines, Czech Airlines, EL AL, Finnair, Frontier Airlines, Gol Linhas Aereas, Iberia, Indigo, Interjet, Iran Air, Iran Aseman Air, Island Air, Japan Airlines, Jet Airways, Jet2, Kenya Airways, KLM, Kuwait Air, LATAM , Middle East Airlines, Monarch Airlines, Onur Air, Peach, PenAir, Sky Airlines, Southwest Airlines, Spirit Airlines, Sun Country, Thai Airways, Travel Service Airlines, Uzbekistan Air, WOW Airlines.

Osprey Nebula 32 vs. Cotopaxi Mente 32L Daypack - Cada Día: which should you pack?

The Osprey Nebula 32 carries the same capacity as the Cotopaxi Mente 32L Daypack - Cada Día (32L vs. 32L), while the Cotopaxi Mente 32L Daypack - Cada Día is the lighter pack at 0.7kg (vs. 1kg). For carry-on flexibility, the Cotopaxi Mente 32L Daypack - Cada Día fits 39% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Nebula 32; if you want to travel lighter, the Cotopaxi Mente 32L Daypack - Cada Día is the better call.