Boundary Supply Prima vs. Cotopaxi Mente 32L Daypack - Cada Día

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

Boundary Supply Prima

Front facing view of the Boundary Supply Prima
Capacity30 L
Weight1.9 kg
Dimensions53×31×18 cm
Airline fit88%
Price$319

Feature by feature

Boundary Supply PrimaFeatureCotopaxi Mente 32L Daypack - Cada Día
Storage
2 Compression 2
None Expanded Capacity None
3 Opening 0
top Passport top
Y Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
removable Sternum Strap Y
Inside
16in Laptop 16in
0 Main Compartments 4
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
500D Kodra Nylon YKK StormGuard100% 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 Boundary Supply Prima and Cotopaxi Mente 32L Daypack - Cada Día

Both have: compression straps, passport pocket, backpack straps, hip belt, laptop sleeve, built-in organizer, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 73 accept both. 94 accept only the Boundary Supply Prima, and 0 accept only the Cotopaxi Mente 32L Daypack - Cada Día.

Only the Boundary Supply Prima fits

Aer Lingus, Air Asia, Air Baltic, Air Canada, Air China, Air Macau, Air Malta, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Blue Air, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Delta Airlines, Dragonair, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, Icelandair, InselAir, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kulula, Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Pakistan International, Porter Airlines, Qantas Airways, Republic Airways, Royal Brunei Airlines, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Volotea, WestJet, Xiamen.

Boundary Supply Prima vs. Cotopaxi Mente 32L Daypack - Cada Día: which should you pack?

The Cotopaxi Mente 32L Daypack - Cada Día carries 2L more than the Boundary Supply Prima (30L vs. 32L), while the Cotopaxi Mente 32L Daypack - Cada Día is the lighter pack at 0.7kg (vs. 1.9kg). For carry-on flexibility, the Boundary Supply Prima fits 88% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cotopaxi Mente 32L Daypack - Cada Día; if you want to travel lighter, the Cotopaxi Mente 32L Daypack - Cada Día is the better call.