---
url: "https://onebag.travel/compare/fzhy2kgdyt/osprey-sojourn-porter-travel-pack-46/h1rqln9ogu/patagonia-tres-mlc-45l/"
title: "Osprey Sojourn Porter Travel Pack 46 vs Patagonia Tres MLC® 45L"
description: "Osprey Sojourn Porter Travel Pack 46 vs Patagonia Tres MLC® 45L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/fzhy2kgdyt/osprey-sojourn-porter-travel-pack-46/h1rqln9ogu/patagonia-tres-mlc-45l/"
---
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3.  Osprey Sojourn Porter Travel Pack 46 vs. Patagonia Tres MLC® 45L

# Osprey Sojourn Porter Travel Pack 46 vs. Patagonia Tres MLC® 45L

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

## [Osprey Sojourn Porter Travel Pack 46](https://onebag.travel/carryon/fzhy2kgdyt/osprey-sojourn-porter-travel-pack-46/)

by [Osprey](https://onebag.travel/carryons/?brands=Osprey)

![Front facing view of the Osprey Sojourn Porter Travel Pack 46](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990419/carryons/osprey-sojourn-porter-travel-pack-46-fzhy2kgdyt.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>46 L</td></tr><tr><td>Weight</td><td>1.6 kg</td></tr><tr><td>Dimensions</td><td>55×35×23 cm</td></tr><tr><td>Airline fit</td><td>67%</td></tr><tr><td>Price</td><td>$200</td></tr></tbody></table>

## Feature by feature

| Osprey Sojourn Porter Travel Pack 46 | Feature | Patagonia Tres MLC® 45L |
| --- | --- | --- |
| Storage |
| 2 | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | N |
| Y | Passthrough | Y |
| Carry |
| hideable | Backpack | hideable |
| hideable | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| N | Laptop | 15in |
| 3 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>bluesign® APPROVED, 100% recycled 460D high-tenacity nylon w/ ripstop, DWR treatment made without PFAS</td><td>630-denier nylon, 200-denier 100% recycled polyeste</td></tr></tbody></table>

## [Patagonia Tres MLC® 45L](https://onebag.travel/carryon/h1rqln9ogu/patagonia-tres-mlc-45l/)

by [Patagonia](https://onebag.travel/carryons/?brands=Patagonia)

![Front facing view of the Patagonia Tres MLC® 45L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1632754332/carryons/Patagonia_Tres_MLC_45L_gbmz36.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>45 L</td></tr><tr><td>Weight</td><td>1.5 kg</td></tr><tr><td>Dimensions</td><td>54×41×18 cm</td></tr><tr><td>Airline fit</td><td>26%</td></tr><tr><td>Price</td><td>$179</td></tr></tbody></table>

## Key differences between the Osprey Sojourn Porter Travel Pack 46 and Patagonia Tres MLC® 45L

-   **Compression straps:** 2 on the Osprey Sojourn Porter Travel Pack 46; No on the Patagonia Tres MLC® 45L.
-   **Passport pocket:** Top on the Osprey Sojourn Porter Travel Pack 46; No on the Patagonia Tres MLC® 45L.
-   **Hip belt:** Hideable on the Osprey Sojourn Porter Travel Pack 46; No on the Patagonia Tres MLC® 45L.
-   **Laptop sleeve:** No on the Osprey Sojourn Porter Travel Pack 46; 15in on the Patagonia Tres MLC® 45L.
-   **Main compartments:** 3 on the Osprey Sojourn Porter Travel Pack 46; 1 on the Patagonia Tres MLC® 45L.

Both have: luggage passthrough, backpack straps, sternum strap, 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. 49 accept both. 78 accept only the Osprey Sojourn Porter Travel Pack 46, and 0 accept only the Patagonia Tres MLC® 45L.

### Only the Osprey Sojourn Porter Travel Pack 46 fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Canada, Air France, Air India, Air Macau, Air Mauritius, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Boliviana de Aviacion, Brussels Airlines, Cambodia Angkor Air, Cathay Pacific, Cebu Pacific, China Airlines, CommutAir, Conviasa, Copa Airlines, Delta Airlines, Dragonair, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, Garuda Indonesia, Gol Linhas Aereas, Hawaiian Airlines, Hong Kong Airlines, Indigo, Interjet, Japan Airlines, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kenya Airways, KLM, Kulula, LATAM , LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Middle East Airlines, Monarch Airlines, Norwegian, Peach, Porter Airlines, Qantas Airways, Republic Airways, SAS Scandinavian, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Swiss Int'l Air Lines, Trans States, Turkish Airlines, United Airlines, Vietnam Airlines, Virgin Atlantic.

## Osprey Sojourn Porter Travel Pack 46 vs. Patagonia Tres MLC® 45L: which should you pack?

The **Osprey Sojourn Porter Travel Pack 46** carries 1L more than the **Patagonia Tres MLC® 45L** (46L vs. 45L), while the **Patagonia Tres MLC® 45L** is the lighter pack at 1.5kg (vs. 1.6kg). For carry-on flexibility, the **Osprey Sojourn Porter Travel Pack 46** fits 67% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Sojourn Porter Travel Pack 46; if you want to travel lighter, the Patagonia Tres MLC® 45L is the better call.