Patagonia Altvia Pack 36L vs. Exped Skyline 25

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

Patagonia Altvia Pack 36L

Front facing view of the Patagonia Altvia Pack 36L
Capacity36 L
Weight0.992 kg
Dimensions60×31×27 cm
Airline fit3%
Price$179

Feature by feature

Patagonia Altvia Pack 36LFeatureExped Skyline 25
Storage
Y Compression N
None Expanded Capacity None
0 Opening 4
N Passport N
N Passthrough N
Carry
Y Backpack Y
Y Hip Belt Y
Y Sternum Strap Y
Inside
N Laptop N
1 Main Compartments 1
Organizer N
Outside
× Hard Shell ×
Y Rain-fly Y
2 Water Bottle Holder 2
Y Water Resistant Y
Material
140-denier 100% recycled nylon ripstop, 210-denier 100% recycled nylon ripstop210 D Robic HD Ripstop nylon, PU coated, 1'500 mm water column

Exped Skyline 25

Front facing view of the Exped Skyline 25
Capacity25 L
Weight1.03 kg
Dimensions52×26×24 cm
Airline fit40%
Price$159

Key differences between the Patagonia Altvia Pack 36L and Exped Skyline 25

Both have: backpack straps, hip belt, sternum strap, rain cover, 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. 6 accept both. 0 accept only the Patagonia Altvia Pack 36L, and 69 accept only the Exped Skyline 25.

Only the Exped Skyline 25 fits

Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Astana, Air Caraibes, Air Europa, Air France, Air India, Air Koryo, Air Mauritius, Air Nostrum, Air Tahiti Nui, All Nipon Airways, ANA, Atlas Global, Azul Linhas, Boliviana de Aviacion, British Airways, Caribbean Airlines, China Southern, Conviasa, Copa Airlines, Croatia Air, Cubana de Aviacion, Czech Airlines, EL AL, Finnair, Frontier Airlines, Gol Linhas Aereas, Great Lakes Airlines, Hainan Airlines, Iberia, Indigo, Interjet, Iran Air, Iran Aseman Air, Japan Airlines, Jet Airways, Jet2, Kenya Airways, KLM, Korean Air, Kuwait Air, LATAM , Middle East Airlines, Monarch Airlines, Onur Air, Peach, PenAir, Philippine Airlines, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Sky Airlines, Southwest Airlines, SpiceJet, Spirit Airlines, TAAG Angola, TAM Airlines, Thai Airways, Travel Service Airlines, Ural Airlines, Uzbekistan Air, WOW Airlines.

Patagonia Altvia Pack 36L vs. Exped Skyline 25: which should you pack?

The Patagonia Altvia Pack 36L carries 11L more than the Exped Skyline 25 (36L vs. 25L), while the Patagonia Altvia Pack 36L is the lighter pack at 0.992kg (vs. 1.03kg). For carry-on flexibility, the Exped Skyline 25 fits 40% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Altvia Pack 36L; if you want to travel lighter, the Patagonia Altvia Pack 36L is the better call.