Patagonia Black Hole® MLC® 45L vs. Patagonia Black Hole® Pack 32L

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® 45LFeaturePatagonia Black Hole® Pack 32L
Storage
N Compression N
None Expanded Capacity None
1 Opening 4
top Passport top
Y Passthrough Y
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap Y
Inside
15in Laptop 15in
5 Main Compartments 5
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
14.1-oz 900-denier 100% postconsumer recycled polyester ripstop with a postindustrial recycled TPU-film laminate8.7-oz 300-denier 100% postconsumer recycled polyester ripstop with a TPU-film laminate

Patagonia Black Hole® Pack 32L

Front facing view of the Patagonia Black Hole® Pack 32L
Capacity32 L
Weight0.8 kg
Dimensions52×28×21 cm
Airline fit71%
Price$169

Key differences between the Patagonia Black Hole® MLC® 45L and Patagonia Black Hole® Pack 32L

Both have: passport pocket, luggage passthrough, 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. 49 accept both. 0 accept only the Patagonia Black Hole® MLC® 45L, and 86 accept only the Patagonia Black Hole® Pack 32L.

Only the Patagonia Black Hole® Pack 32L fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Canada, Air Caraibes, Air France, Air India, Air Macau, Air Mauritius, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Boliviana de Aviacion, Brussels Airlines, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Copa Airlines, Czech Airlines, Delta Airlines, Dragonair, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, Garuda Indonesia, Gol Linhas Aereas, Great Lakes Airlines, Hawaiian Airlines, Hong Kong Airlines, Iberia, Indigo, Interjet, Iran Air, Japan Airlines, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kenya Airways, KLM, Kulula, LATAM , Liat Airlines, LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Norwegian, Pakistan International, Peach, Porter Airlines, Qantas Airways, Republic Airways, SAS Scandinavian, Scoot, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Swiss Int'l Air Lines, Tiger Airways, Trans States, Turkish Airlines, United Airlines, Vietnam Airlines, Virgin Atlantic, WestJet.

Patagonia Black Hole® MLC® 45L vs. Patagonia Black Hole® Pack 32L: which should you pack?

The Patagonia Black Hole® MLC® 45L carries 13L more than the Patagonia Black Hole® Pack 32L (45L vs. 32L), while the Patagonia Black Hole® Pack 32L is the lighter pack at 0.8kg (vs. 1.7kg). For carry-on flexibility, the Patagonia Black Hole® Pack 32L fits 71% 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 Patagonia Black Hole® Pack 32L is the better call.