---
url: "https://onebag.travel/compare/0d0t6e2aa2/peak-design-everyday-backpack/vfr1o0y105/black-ember-citadel-18/"
title: "Peak Design Everyday Backpack vs Black Ember Citadel 18"
description: "Peak Design Everyday Backpack vs Black Ember Citadel 18: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/0d0t6e2aa2/peak-design-everyday-backpack/vfr1o0y105/black-ember-citadel-18/"
---
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3.  Peak Design Everyday Backpack vs. Black Ember Citadel 18

# Peak Design Everyday Backpack vs. Black Ember Citadel 18

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

## [Peak Design Everyday Backpack](https://onebag.travel/carryon/0d0t6e2aa2/peak-design-everyday-backpack/)

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

![Front facing view of the Peak Design Everyday Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1633651886/carryons/Peak_Design_Everyday_Backpack_yxlhbk.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>1.7 kg</td></tr><tr><td>Dimensions</td><td>46×33×21 cm</td></tr><tr><td>Airline fit</td><td>75%</td></tr><tr><td>Price</td><td>$280</td></tr></tbody></table>

## Feature by feature

| Peak Design Everyday Backpack | Feature | Black Ember Citadel 18 |
| --- | --- | --- |
| Storage |
| 2 | Compression | N |
| 30L | Expanded Capacity | None |
| 4 | Opening | 1 |
| top | Passport | top |
| Y | Passthrough | Y |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside |
| 16in | Laptop | 14in |
| 3 | Main Compartments | 3 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | N |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>X-Pac VX21</td><td>420 VELOCITY CORDURA re/cor RN66</td></tr></tbody></table>

## [Black Ember Citadel 18](https://onebag.travel/carryon/vfr1o0y105/black-ember-citadel-18/)

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

![Front facing view of the Black Ember Citadel 18](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990474/carryons/black-ember-citadel-18-vfr1o0y105.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>1.3 kg</td></tr><tr><td>Dimensions</td><td>43×29×16 cm</td></tr><tr><td>Airline fit</td><td>95%</td></tr><tr><td>Price</td><td>$240</td></tr></tbody></table>

## Key differences between the Peak Design Everyday Backpack and Black Ember Citadel 18

-   **Compression straps:** 2 on the Peak Design Everyday Backpack; No on the Black Ember Citadel 18.
-   **Opening:** Top zip on the Peak Design Everyday Backpack; Clamshell on the Black Ember Citadel 18.
-   **Laptop sleeve:** 16in on the Peak Design Everyday Backpack; 14in on the Black Ember Citadel 18.
-   **Water bottle pockets:** 2, side on the Peak Design Everyday Backpack; No on the Black Ember Citadel 18.

Both have: passport pocket, luggage passthrough, backpack straps, sternum strap, water resistant.

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

We checked both bags against the carry-on size limits of 189 airlines. 142 accept both. 0 accept only the Peak Design Everyday Backpack, and 38 accept only the Black Ember Citadel 18.

### Only the Black Ember Citadel 18 fits

Air Baltic, Air China, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Air Tahiti, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, easyJet, Emirates Airlines, Enter Air, flybe, Gulf Air, Icelandair, InselAir, Juneyao Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

## Peak Design Everyday Backpack vs. Black Ember Citadel 18: which should you pack?

The **Peak Design Everyday Backpack** carries 2L more than the **Black Ember Citadel 18** (20L vs. 18L), while the **Black Ember Citadel 18** is the lighter pack at 1.3kg (vs. 1.7kg). For carry-on flexibility, the **Black Ember Citadel 18** fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Peak Design Everyday Backpack; if you want to travel lighter, the Black Ember Citadel 18 is the better call.