Patagonia Ascensionist Pack 55L vs. Exped Mountain Pro 40 Women
Two carry-on travel backpacks, compared spec for spec.
Patagonia Ascensionist Pack 55L
| Capacity | 55 L |
| Weight | 1.28 kg |
| Dimensions | 67×32×20 cm |
| Airline fit | 1% |
| Price | $219 |
Feature by feature
| Patagonia Ascensionist Pack 55L | Feature | Exped Mountain Pro 40 Women |
|---|---|---|
| Storage | ||
| removable | Compression | N |
| None | Expanded Capacity | None |
| 0 | Opening | 4 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | Y |
| 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-denier 100% recycled nylon ripstop, 0-denier 100% nylon ripstop | 420 D Oxford nylon, PU coated, 3'000 mm water column |
Exped Mountain Pro 40 Women
| Capacity | 40 L |
| Weight | 0.2 kg |
| Dimensions | 62×29×24 cm |
| Airline fit | 13% |
| Price | $190 |
Key differences between the Patagonia Ascensionist Pack 55L and Exped Mountain Pro 40 Women
- Compression straps: Removable on the Patagonia Ascensionist Pack 55L; No on the Exped Mountain Pro 40 Women.
- Opening: Other on the Patagonia Ascensionist Pack 55L; Top zip on the Exped Mountain Pro 40 Women.
- Sternum strap: Removable on the Patagonia Ascensionist Pack 55L; Yes on the Exped Mountain Pro 40 Women.
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. 0 accept only the Patagonia Ascensionist Pack 55L, and 22 accept only the Exped Mountain Pro 40 Women.
Only the Exped Mountain Pro 40 Women fits
Adria Airways, Air Europa, Air Koryo, Air New Zealand, Air Tahiti Nui, Azul Linhas, China Southern, Cubana de Aviacion, Hainan Airlines, Island Air, Korean Air, Philippine Airlines, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, SpiceJet, TAAG Angola, TAM Airlines, Ural Airlines.
Patagonia Ascensionist Pack 55L vs. Exped Mountain Pro 40 Women: which should you pack?
The Patagonia Ascensionist Pack 55L carries 15L more than the Exped Mountain Pro 40 Women (55L vs. 40L), while the Exped Mountain Pro 40 Women is the lighter pack at 0.2kg (vs. 1.28kg). For carry-on flexibility, the Exped Mountain Pro 40 Women fits 13% 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 Exped Mountain Pro 40 Women is the better call.