Exped Mountain Pro 30 vs. Patagonia Ascensionist Pack 55L

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

Exped Mountain Pro 30

Front facing view of the Exped Mountain Pro 30
Capacity30 L
Weight1.29 kg
Dimensions58×30×24 cm
Airline fit16%
Price$279

Feature by feature

Exped Mountain Pro 30FeaturePatagonia Ascensionist Pack 55L
Storage
Y Compression removable
None Expanded Capacity None
3 Opening 0
N Passport N
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
Y Sternum Strap removable
Inside
N Laptop N
1 Main Compartments 1
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder N
Y Water Resistant Y
Material
420 D Oxford nylon, PU coated, 3'000 mm water column420-denier 100% recycled nylon ripstop, 0-denier 100% nylon ripstop

Patagonia Ascensionist Pack 55L

Front facing view of the Patagonia Ascensionist Pack 55L
Capacity55 L
Weight1.28 kg
Dimensions67×32×20 cm
Airline fit1%
Price$219

Key differences between the Exped Mountain Pro 30 and Patagonia Ascensionist Pack 55L

Both have: backpack straps, hip belt, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 2 accept both. 29 accept only the Exped Mountain Pro 30, and 0 accept only the Patagonia Ascensionist Pack 55L.

Only the Exped Mountain Pro 30 fits

Adria Airways, Air Europa, Air Koryo, Air New Zealand, Air Tahiti Nui, Azul Linhas, Caribbean Airlines, China Southern, Conviasa, Croatia Air, Cubana de Aviacion, Frontier Airlines, Hainan Airlines, Island Air, Korean Air, PenAir, Philippine Airlines, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Southwest Airlines, SpiceJet, Sun Country, TAAG Angola, TAM Airlines, Ural Airlines.

Exped Mountain Pro 30 vs. Patagonia Ascensionist Pack 55L: which should you pack?

The Patagonia Ascensionist Pack 55L carries 25L more than the Exped Mountain Pro 30 (30L vs. 55L), while the Patagonia Ascensionist Pack 55L is the lighter pack at 1.28kg (vs. 1.29kg). For carry-on flexibility, the Exped Mountain Pro 30 fits 16% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Ascensionist Pack 55L; if you want to travel lighter, the Patagonia Ascensionist Pack 55L is the better call.