---
url: "https://onebag.travel/compare/9qiq5dttgm/fjallraven-kanken-outlong/ynae3xywz6/alpha-one-niner-whitley-backpack/"
title: "Fjallraven Kanken Outlong vs Alpha One-Niner Whitley Backpack"
description: "Fjallraven Kanken Outlong vs Alpha One-Niner Whitley Backpack: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/9qiq5dttgm/fjallraven-kanken-outlong/ynae3xywz6/alpha-one-niner-whitley-backpack/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Fjallraven Kanken Outlong vs. Alpha One-Niner Whitley Backpack

# Fjallraven Kanken Outlong vs. Alpha One-Niner Whitley Backpack

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

## [Fjallraven Kanken Outlong](https://onebag.travel/carryon/9qiq5dttgm/fjallraven-kanken-outlong/)

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

![Front facing view of the Fjallraven Kanken Outlong](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990364/carryons/fjallraven-kanken-outlong-9qiq5dttgm.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>18 L</td></tr><tr><td>Weight</td><td>0.5 kg</td></tr><tr><td>Dimensions</td><td>40×28×14 cm</td></tr><tr><td>Airline fit</td><td>99%</td></tr><tr><td>Price</td><td>$155</td></tr></tbody></table>

## Feature by feature

| Fjallraven Kanken Outlong | Feature | Alpha One-Niner Whitley Backpack |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | front |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| N | Sternum Strap | removable |
| Inside |
| N | Laptop | 16in |
| 3 | Main Compartments | 3 |
| N | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>Vinylon F: 100% vinylal Produced without PFAS</td><td>Available in:X-Pac X42, 500D, 1050D Ballistic Nylon</td></tr></tbody></table>

## [Alpha One-Niner Whitley Backpack](https://onebag.travel/carryon/ynae3xywz6/alpha-one-niner-whitley-backpack/)

by [Alpha One-Niner](https://onebag.travel/carryons/?brands=Alpha One-Niner)

![Front facing view of the Alpha One-Niner Whitley Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990332/carryons/alpha-one-niner-whitley-backpack-ynae3xywz6.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>20 L</td></tr><tr><td>Weight</td><td>1.2 kg</td></tr><tr><td>Dimensions</td><td>47×28×15 cm</td></tr><tr><td>Airline fit</td><td>93%</td></tr><tr><td>Price</td><td>$200</td></tr></tbody></table>

## Key differences between the Fjallraven Kanken Outlong and Alpha One-Niner Whitley Backpack

-   **Sternum strap:** No on the Fjallraven Kanken Outlong; Removable on the Alpha One-Niner Whitley Backpack.
-   **Laptop sleeve:** No on the Fjallraven Kanken Outlong; 16in on the Alpha One-Niner Whitley Backpack.
-   **Built-in organizer:** No on the Fjallraven Kanken Outlong; Yes on the Alpha One-Niner Whitley Backpack.

Both have: passport pocket, backpack straps, water bottle pockets, water resistant.

## Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 176 accept both. 11 accept only the Fjallraven Kanken Outlong, and 0 accept only the Alpha One-Niner Whitley Backpack.

### Only the Fjallraven Kanken Outlong fits

Air Tahiti, American Eagle, easyJet, Gulf Air, LC Perú, Lion Air Group, Ravn Alaska, Spring Airlines, VivaColombia, Volaris, Wizz Air.

## Fjallraven Kanken Outlong vs. Alpha One-Niner Whitley Backpack: which should you pack?

The **Alpha One-Niner Whitley Backpack** carries 2L more than the **Fjallraven Kanken Outlong** (18L vs. 20L), while the **Fjallraven Kanken Outlong** is the lighter pack at 0.5kg (vs. 1.2kg). For carry-on flexibility, the **Fjallraven Kanken Outlong** fits 99% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Alpha One-Niner Whitley Backpack; if you want to travel lighter, the Fjallraven Kanken Outlong is the better call.