Eagle Creek Caldera™ Travel Pack 45L vs. Patagonia Tres MLC® 45L
Two carry-on travel backpacks, compared spec for spec.
Eagle Creek Caldera™ Travel Pack 45L
| Capacity | 45 L |
| Weight | 1.42 kg |
| Dimensions | 56×36×28 cm |
| Airline fit | 2% |
| Price | $279 |
Feature by feature
| Eagle Creek Caldera™ Travel Pack 45L | Feature | Patagonia Tres MLC® 45L |
|---|---|---|
| Storage | ||
| Y | Compression | N |
| 56L | Expanded Capacity | None |
| 1 | Opening | 1 |
| N | Passport | N |
| Passthrough | Y | |
| Carry | ||
| hideable | Backpack | hideable |
| hideable | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside | ||
| 15in | Laptop | 15in |
| 2 | Main Compartments | 1 |
| N | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| Y | Water Resistant | Y |
| Material | |
| 600D CORDURA® ECO Ripstop 100% Recycled, 1200D CORDURA® ECO 100% Recycled Polyester | 630-denier nylon, 200-denier 100% recycled polyeste |
Patagonia Tres MLC® 45L
| Capacity | 45 L |
| Weight | 1.5 kg |
| Dimensions | 54×41×18 cm |
| Airline fit | 26% |
| Price | $179 |
Key differences between the Eagle Creek Caldera™ Travel Pack 45L and Patagonia Tres MLC® 45L
- Compression straps: Yes on the Eagle Creek Caldera™ Travel Pack 45L; No on the Patagonia Tres MLC® 45L.
- Hip belt: Hideable on the Eagle Creek Caldera™ Travel Pack 45L; No on the Patagonia Tres MLC® 45L.
- Main compartments: 2 on the Eagle Creek Caldera™ Travel Pack 45L; 1 on the Patagonia Tres MLC® 45L.
- Built-in organizer: No on the Eagle Creek Caldera™ Travel Pack 45L; Yes on the Patagonia Tres MLC® 45L.
Both have: backpack straps, sternum strap, laptop sleeve, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 4 accept both. 0 accept only the Eagle Creek Caldera™ Travel Pack 45L, and 45 accept only the Patagonia Tres MLC® 45L.
Only the Patagonia Tres MLC® 45L fits
Adria Airways, Aegean Airlines, Air Astana, Air Caraibes, Air Europa, Air Koryo, Air New Zealand, Air Nostrum, Air Tahiti Nui, Atlas Global, Azul Linhas, British Airways, Caribbean Airlines, China Southern, Cubana de Aviacion, Czech Airlines, EL AL, Finnair, Frontier Airlines, Hainan Airlines, Iberia, Iran Air, Iran Aseman Air, Jet2, Korean Air, Kuwait Air, Onur Air, PenAir, Philippine Airlines, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Southwest Airlines, SpiceJet, Spirit Airlines, TAAG Angola, TAM Airlines, Thai Airways, Travel Service Airlines, Ural Airlines, Uzbekistan Air, WOW Airlines.
Eagle Creek Caldera™ Travel Pack 45L vs. Patagonia Tres MLC® 45L: which should you pack?
The Eagle Creek Caldera™ Travel Pack 45L carries the same capacity as the Patagonia Tres MLC® 45L (45L vs. 45L), while the Eagle Creek Caldera™ Travel Pack 45L is the lighter pack at 1.42kg (vs. 1.5kg). For carry-on flexibility, the Patagonia Tres MLC® 45L fits 26% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Eagle Creek Caldera™ Travel Pack 45L; if you want to travel lighter, the Eagle Creek Caldera™ Travel Pack 45L is the better call.