Patagonia Black Hole® MLC® 45L vs. Caribee Traveller 40

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

Patagonia Black Hole® MLC® 45L

Front facing view of the Patagonia Black Hole® MLC® 45L
Capacity45 L
Weight1.7 kg
Dimensions56×37×19 cm
Airline fit26%
Price$240

Feature by feature

Patagonia Black Hole® MLC® 45LFeatureCaribee Traveller 40
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
top Passport top
Y Passthrough Y
Carry
Y Backpack hideable
N Hip Belt N
Y Sternum Strap Y
Inside
15in Laptop 15in
5 Main Compartments 4
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 1, side
Y Water Resistant N
Material
14.1-oz 900-denier 100% postconsumer recycled polyester ripstop with a postindustrial recycled TPU-film laminate

Caribee Traveller 40

Front facing view of the Caribee Traveller 40
Capacity40 L
Weight1.2 kg
Dimensions56×32×22 cm
Airline fit47%
Price$120

Key differences between the Patagonia Black Hole® MLC® 45L and Caribee Traveller 40

Both have: passport pocket, luggage passthrough, sternum strap, laptop sleeve.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 49 accept both. 0 accept only the Patagonia Black Hole® MLC® 45L, and 39 accept only the Caribee Traveller 40.

Only the Caribee Traveller 40 fits

Air Asia, Air Macau, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Avianca , Bahamasair, Bangkok Airways, Biman Bangladesh, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Copa Airlines, Delta Airlines, Dragonair, EVA Air, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kulula, Malaysia Airlines, Mango, Qantas Airways, Republic Airways, Skywest, Inc., South African Airways, SriLankan Airlines, Trans States, United Airlines, Vietnam Airlines, Virgin Atlantic.

Patagonia Black Hole® MLC® 45L vs. Caribee Traveller 40: which should you pack?

The Patagonia Black Hole® MLC® 45L carries 5L more than the Caribee Traveller 40 (45L vs. 40L), while the Caribee Traveller 40 is the lighter pack at 1.2kg (vs. 1.7kg). For carry-on flexibility, the Caribee Traveller 40 fits 47% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Black Hole® MLC® 45L; if you want to travel lighter, the Caribee Traveller 40 is the better call.