Patagonia Fieldsmith Roll-Top Pack 32L vs. Patagonia Black Hole® MLC® 45L

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

Patagonia Fieldsmith Roll-Top Pack 32L

Capacity32 L
Weight0.9 kg
Dimensions74×51×18 cm
Airline fit1%
Price$155

Feature by feature

Patagonia Fieldsmith Roll-Top Pack 32LFeaturePatagonia Black Hole® MLC® 45L
Storage
N Compression N
None Expanded Capacity None
2 Opening 1
top Passport top
N Passthrough Y
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap Y
Inside
15in Laptop 15in
3 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
11-oz 100% organic cotton canvas with a PU coating14.1-oz 900-denier 100% postconsumer recycled polyester ripstop with a postindustrial recycled TPU-film laminate

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

Key differences between the Patagonia Fieldsmith Roll-Top Pack 32L and Patagonia Black Hole® MLC® 45L

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. 1 accept both. 0 accept only the Patagonia Fieldsmith Roll-Top Pack 32L, and 48 accept only the Patagonia Black Hole® MLC® 45L.

Only the Patagonia Black Hole® MLC® 45L fits

Adria Airways, Aegean Airlines, Air Astana, Air Europa, Air Koryo, Air New Zealand, Air Nostrum, Air Tahiti Nui, Atlas Global, Azul Linhas, British Airways, Caribbean Airlines, China Southern, Conviasa, Croatia Air, Cubana de Aviacion, EL AL, Finnair, Frontier Airlines, Hainan Airlines, Iran Aseman Air, Island Air, Jet2, Korean Air, Kuwait Air, Middle East Airlines, Monarch Airlines, Onur Air, PenAir, Philippine Airlines, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Southwest Airlines, SpiceJet, Spirit Airlines, Sun Country, TAAG Angola, TAM Airlines, Thai Airways, Travel Service Airlines, Ural Airlines, Uzbekistan Air, Virgin America, WOW Airlines.

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

The Patagonia Black Hole® MLC® 45L carries 13L more than the Patagonia Fieldsmith Roll-Top Pack 32L (32L vs. 45L), while the Patagonia Fieldsmith Roll-Top Pack 32L is the lighter pack at 0.9kg (vs. 1.7kg). For carry-on flexibility, the Patagonia Black Hole® MLC® 45L fits 26% 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 Fieldsmith Roll-Top Pack 32L is the better call.