---
url: "https://onebag.travel/compare/h1rqln9ogu/patagonia-tres-mlc-45l/s8i3zjvr7c/hynes-eagle-45l-travel-flight-approved-carry-on-backpack/"
title: "Patagonia Tres MLC® 45L vs Hynes Eagle 45L Travel Flight Approved Carry on Backpack"
description: "Patagonia Tres MLC® 45L vs Hynes Eagle 45L Travel Flight Approved Carry on Backpack: capacity, weight, dimensions and how many airlines accept each as a…"
source: "https://onebag.travel/compare/h1rqln9ogu/patagonia-tres-mlc-45l/s8i3zjvr7c/hynes-eagle-45l-travel-flight-approved-carry-on-backpack/"
---
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3.  Patagonia Tres MLC® 45L vs. Hynes Eagle 45L Travel Flight Approved Carry on Backpack

# Patagonia Tres MLC® 45L vs. Hynes Eagle 45L Travel Flight Approved Carry on Backpack

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

## [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>

## Feature by feature

| Patagonia Tres MLC® 45L | Feature | Hynes Eagle 45L Travel Flight Approved Carry on Backpack |
| --- | --- | --- |
| Storage |
| N | Compression | Y |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| N | Passport | Y |
| Y | Passthrough | N |
| Carry |
| hideable | Backpack | hideable |
| N | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 15in |
| 1 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 4 |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>630-denier nylon, 200-denier 100% recycled polyeste</td><td>Water-repellent crinkle nylon</td></tr></tbody></table>

## [Hynes Eagle 45L Travel Flight Approved Carry on Backpack](https://onebag.travel/carryon/s8i3zjvr7c/hynes-eagle-45l-travel-flight-approved-carry-on-backpack/)

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

![Front facing view of the Hynes Eagle 45L Travel Flight Approved Carry on Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1625885948/carryons/Hynes_Eagle_45_Travel_Flight_Approved_Carry_On_Backpack_cn9icj.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>1.42 kg</td></tr><tr><td>Dimensions</td><td>56×35.5×18 cm</td></tr><tr><td>Airline fit</td><td>46%</td></tr><tr><td>Price</td><td>$70</td></tr></tbody></table>

## Key differences between the Patagonia Tres MLC® 45L and Hynes Eagle 45L Travel Flight Approved Carry on Backpack

-   **Compression straps:** No on the Patagonia Tres MLC® 45L; Yes on the Hynes Eagle 45L Travel Flight Approved Carry on Backpack.
-   **Passport pocket:** No on the Patagonia Tres MLC® 45L; Yes on the Hynes Eagle 45L Travel Flight Approved Carry on Backpack.
-   **Luggage passthrough:** Yes on the Patagonia Tres MLC® 45L; No on the Hynes Eagle 45L Travel Flight Approved Carry on Backpack.
-   **Water bottle pockets:** No on the Patagonia Tres MLC® 45L; 4 on the Hynes Eagle 45L Travel Flight Approved Carry on Backpack.

Both have: 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. 45 accept both. 4 accept only the Patagonia Tres MLC® 45L, and 42 accept only the Hynes Eagle 45L Travel Flight Approved Carry on Backpack.

### Only the Patagonia Tres MLC® 45L fits

Air Caraibes, Czech Airlines, Iberia, Iran Air.

### Only the Hynes Eagle 45L Travel Flight Approved Carry on Backpack fits

Air Asia, Air Macau, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Avianca , Bahamasair, Bangkok Airways, Biman Bangladesh, Cambodia Angkor Air, Cathay Pacific, Cebu Pacific, China Airlines, CommutAir, Conviasa, Copa Airlines, Croatia Air, Delta Airlines, Dragonair, EVA Air, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kulula, Malaysia Airlines, Mango, Middle East Airlines, Monarch Airlines, Qantas Airways, Republic Airways, Skywest, Inc., South African Airways, SriLankan Airlines, Trans States, United Airlines, Vietnam Airlines, Virgin Atlantic.

## Patagonia Tres MLC® 45L vs. Hynes Eagle 45L Travel Flight Approved Carry on Backpack: which should you pack?

The **Patagonia Tres MLC® 45L** carries the same capacity as the **Hynes Eagle 45L Travel Flight Approved Carry on Backpack** (45L vs. 45L), while the **Hynes Eagle 45L Travel Flight Approved Carry on Backpack** is the lighter pack at 1.42kg (vs. 1.5kg). For carry-on flexibility, the **Hynes Eagle 45L Travel Flight Approved Carry on Backpack** fits 46% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Tres MLC® 45L; if you want to travel lighter, the Hynes Eagle 45L Travel Flight Approved Carry on Backpack is the better call.