---
url: "https://onebag.travel/compare/57d1gz3v6t/bellroy-transit-workpack-second-edition/ut39o0uw8z/aer-day-pack-3/"
title: "Bellroy Transit Workpack Second Edition vs Aer Day Pack 3"
description: "Bellroy Transit Workpack Second Edition vs Aer Day Pack 3: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/57d1gz3v6t/bellroy-transit-workpack-second-edition/ut39o0uw8z/aer-day-pack-3/"
---
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3.  Bellroy Transit Workpack Second Edition vs. Aer Day Pack 3

# Bellroy Transit Workpack Second Edition vs. Aer Day Pack 3

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

## [Bellroy Transit Workpack Second Edition](https://onebag.travel/carryon/57d1gz3v6t/bellroy-transit-workpack-second-edition/)

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

![Front facing view of the Bellroy Transit Workpack Second Edition](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990339/carryons/bellroy-transit-workpack-second-edition-57d1gz3v6t.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 kg</td></tr><tr><td>Dimensions</td><td>53×38×16 cm</td></tr><tr><td>Airline fit</td><td>60%</td></tr><tr><td>Price</td><td>$199</td></tr></tbody></table>

## Feature by feature

| Bellroy Transit Workpack Second Edition | Feature | Aer Day Pack 3 |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | top |
| Y | Passthrough | Y |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| removable | Sternum Strap | Y |
| Inside |
| 16in | Laptop | 16in |
| 3 | Main Compartments | 3 |
| Y | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>Baida Nylon</td><td>1680D Cordura® ballistic nylon exterior (bluesign® approved)</td></tr></tbody></table>

## [Aer Day Pack 3](https://onebag.travel/carryon/ut39o0uw8z/aer-day-pack-3/)

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

![Front facing view of the Aer Day Pack 3](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990291/carryons/aer-day-pack-3-ut39o0uw8z.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>14 L</td></tr><tr><td>Weight</td><td>1.3 kg</td></tr><tr><td>Dimensions</td><td>44×30×14 cm</td></tr><tr><td>Airline fit</td><td>95%</td></tr><tr><td>Price</td><td>$160</td></tr></tbody></table>

## Key differences between the Bellroy Transit Workpack Second Edition and Aer Day Pack 3

-   **Passport pocket:** Front on the Bellroy Transit Workpack Second Edition; Top on the Aer Day Pack 3.
-   **Sternum strap:** Removable on the Bellroy Transit Workpack Second Edition; Yes on the Aer Day Pack 3.
-   **Built-in organizer:** Yes on the Bellroy Transit Workpack Second Edition; No on the Aer Day Pack 3.

Both have: luggage passthrough, backpack straps, laptop sleeve, 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. 113 accept both. 0 accept only the Bellroy Transit Workpack Second Edition, and 67 accept only the Aer Day Pack 3.

### Only the Aer Day Pack 3 fits

Aerolineas Argentinas, Air Asia, Air France, Air India, Air Macau, Air Mauritius, Air Niugini, Air Tahiti, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, American Eagle, Avianca , Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Boliviana de Aviacion, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Conviasa, Copa Airlines, Delta Airlines, Dragonair, easyJet, Etihad Airways, EVA Air, flybe, Garuda Indonesia, Gulf Air, Hawaiian Airlines, Hong Kong Airlines, Indigo, InselAir, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kenya Airways, KLM, Kulula, LATAM , Liat Airlines, Malaysia Airlines, Mango, Oman Air, Qantas Airways, Qatar Airways, Ravn Alaska, Regional Express, Republic Airways, Royal Jordanian, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Trans States, United Airlines, Vietnam Airlines, Virgin Atlantic, Virgin Australia.

## Bellroy Transit Workpack Second Edition vs. Aer Day Pack 3: which should you pack?

The **Bellroy Transit Workpack Second Edition** carries 6L more than the **Aer Day Pack 3** (20L vs. 14L), while the **Bellroy Transit Workpack Second Edition** is the lighter pack at 1kg (vs. 1.3kg). For carry-on flexibility, the **Aer Day Pack 3** fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Bellroy Transit Workpack Second Edition; if you want to travel lighter, the Bellroy Transit Workpack Second Edition is the better call.