---
url: "https://onebag.travel/compare/xax8tcl5cp/exped-serac-35/xkzrrigkky/peak-design-outdoor-backpack-45l/"
title: "Exped Serac 35 vs Peak Design Outdoor Backpack 45L"
description: "Exped Serac 35 vs Peak Design Outdoor Backpack 45L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/xax8tcl5cp/exped-serac-35/xkzrrigkky/peak-design-outdoor-backpack-45l/"
---
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3.  Exped Serac 35 vs. Peak Design Outdoor Backpack 45L

# Exped Serac 35 vs. Peak Design Outdoor Backpack 45L

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

## [Exped Serac 35](https://onebag.travel/carryon/xax8tcl5cp/exped-serac-35/)

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

![Front facing view of the Exped Serac 35](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1623754909/carryons/Exped_Serac_35_pcvf6a.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>35 L</td></tr><tr><td>Weight</td><td>0.82 kg</td></tr><tr><td>Dimensions</td><td>62×30×23 cm</td></tr><tr><td>Airline fit</td><td>13%</td></tr><tr><td>Price</td><td>$209</td></tr></tbody></table>

## Feature by feature

| Exped Serac 35 | Feature | Peak Design Outdoor Backpack 45L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | 45L |
| 2 | Opening | 1 |
| N | Passport | N |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| Y | Sternum Strap | removable |
| Inside |
| N | Laptop | 16in |
| 1 | Main Compartments | 1 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 4, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>400 D HD ripstop nylon, TPU film laminated, 10'000 mm water column</td><td>Ultralight Terra Shell™ 210D ripstop</td></tr></tbody></table>

## [Peak Design Outdoor Backpack 45L](https://onebag.travel/carryon/xkzrrigkky/peak-design-outdoor-backpack-45l/)

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

![Front facing view of the Peak Design Outdoor Backpack 45L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990422/carryons/peak-design-outdoor-backpack-45l-xkzrrigkky.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>35 L</td></tr><tr><td>Weight</td><td>1.6 kg</td></tr><tr><td>Dimensions</td><td>56×31×17 cm</td></tr><tr><td>Airline fit</td><td>47%</td></tr><tr><td>Price</td><td>$330</td></tr></tbody></table>

## Key differences between the Exped Serac 35 and Peak Design Outdoor Backpack 45L

-   **Opening:** Rolltop on the Exped Serac 35; Clamshell on the Peak Design Outdoor Backpack 45L.
-   **Sternum strap:** Yes on the Exped Serac 35; Removable on the Peak Design Outdoor Backpack 45L.
-   **Laptop sleeve:** No on the Exped Serac 35; 16in on the Peak Design Outdoor Backpack 45L.
-   **Water bottle pockets:** No on the Exped Serac 35; 4, side on the Peak Design Outdoor Backpack 45L.

Both have: backpack straps, hip belt, water resistant.

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

We checked both bags against the carry-on size limits of 189 airlines. 24 accept both. 0 accept only the Exped Serac 35, and 64 accept only the Peak Design Outdoor Backpack 45L.

### Only the Peak Design Outdoor Backpack 45L fits

Aegean Airlines, Air Asia, Air Astana, Air Macau, Air Nostrum, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Atlas Global, Avianca , Bahamasair, Bangkok Airways, Biman Bangladesh, British Airways, Cambodia Angkor Air, Caribbean Airlines, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Conviasa, Copa Airlines, Croatia Air, Delta Airlines, Dragonair, EL AL, EVA Air, Finnair, Frontier Airlines, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, Iran Aseman Air, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kulula, Kuwait Air, Malaysia Airlines, Mango, Middle East Airlines, Monarch Airlines, Onur Air, PenAir, Qantas Airways, Republic Airways, Skywest, Inc., South African Airways, Southwest Airlines, Spirit Airlines, SriLankan Airlines, Sun Country, Thai Airways, Trans States, Travel Service Airlines, United Airlines, Uzbekistan Air, Vietnam Airlines, Virgin Atlantic, WOW Airlines.

## Exped Serac 35 vs. Peak Design Outdoor Backpack 45L: which should you pack?

The **Exped Serac 35** carries the same capacity as the **Peak Design Outdoor Backpack 45L** (35L vs. 35L), while the **Exped Serac 35** is the lighter pack at 0.82kg (vs. 1.6kg). For carry-on flexibility, the **Peak Design Outdoor Backpack 45L** fits 47% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Exped Serac 35; if you want to travel lighter, the Exped Serac 35 is the better call.