Patagonia Tres Backpack 25L vs. Cabin Zero Classic Pro 42L
Two carry-on travel backpacks, compared spec for spec.
Patagonia Tres Backpack 25L
| Capacity | 25 L |
| Weight | 0.9 kg |
| Dimensions | 48×31×17 cm |
| Airline fit | 92% |
| Price | $129 |
Feature by feature
| Patagonia Tres Backpack 25L | Feature | Cabin Zero Classic Pro 42L |
|---|---|---|
| Storage | ||
| N | Compression | 4 |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| N | Passport | N |
| Y | Passthrough | Y |
| Carry | ||
| hideable | Backpack | hideable |
| N | Hip Belt | hideable |
| Y | Sternum Strap | Y |
| Inside | ||
| 15in | Laptop | 15in |
| 1 | Main Compartments | 2 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |
| Material | |
| 630-denier 100% nylon, 200-denier 100% recycled polyester | 600 Denier Polyester |
Cabin Zero Classic Pro 42L
| Capacity | 42 L |
| Weight | 1.4 kg |
| Dimensions | 54×35×20 cm |
| Airline fit | 87% |
| Price | $184 |
Key differences between the Patagonia Tres Backpack 25L and Cabin Zero Classic Pro 42L
- Compression straps: No on the Patagonia Tres Backpack 25L; 4 on the Cabin Zero Classic Pro 42L.
- Hip belt: No on the Patagonia Tres Backpack 25L; Hideable on the Cabin Zero Classic Pro 42L.
- Main compartments: 1 on the Patagonia Tres Backpack 25L; 2 on the Cabin Zero Classic Pro 42L.
- Water bottle pockets: No on the Patagonia Tres Backpack 25L; 1, side on the Cabin Zero Classic Pro 42L.
Both have: luggage passthrough, backpack straps, sternum strap, laptop sleeve, built-in organizer, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 165 accept both. 9 accept only the Patagonia Tres Backpack 25L, and 0 accept only the Cabin Zero Classic Pro 42L.
Only the Patagonia Tres Backpack 25L fits
Belavia, Cayman Airways, Etihad Airways, Oman Air, Qatar Airways, Regional Express, Royal Jordanian, Virgin Australia, WestJet.
Patagonia Tres Backpack 25L vs. Cabin Zero Classic Pro 42L: which should you pack?
The Cabin Zero Classic Pro 42L carries 17L more than the Patagonia Tres Backpack 25L (25L vs. 42L), while the Patagonia Tres Backpack 25L is the lighter pack at 0.9kg (vs. 1.4kg). For carry-on flexibility, the Patagonia Tres Backpack 25L fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cabin Zero Classic Pro 42L; if you want to travel lighter, the Patagonia Tres Backpack 25L is the better call.