---
url: "https://onebag.travel/compare/f7vvgl9fzq/patagonia-atom-tote-pack-20l/mdp5ssw9tl/patagonia-ultralight-black-hole-tote-pack-27l/"
title: "Patagonia Atom Tote Pack 20L vs Patagonia Ultralight Black Hole® Tote Pack 27L"
description: "Patagonia Atom Tote Pack 20L vs Patagonia Ultralight Black Hole® Tote Pack 27L: capacity, weight, dimensions and how many airlines accept each as a carry-on…"
source: "https://onebag.travel/compare/f7vvgl9fzq/patagonia-atom-tote-pack-20l/mdp5ssw9tl/patagonia-ultralight-black-hole-tote-pack-27l/"
---
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3.  Patagonia Atom Tote Pack 20L vs. Patagonia Ultralight Black Hole® Tote Pack 27L

# Patagonia Atom Tote Pack 20L vs. Patagonia Ultralight Black Hole® Tote Pack 27L

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

## [Patagonia Atom Tote Pack 20L](https://onebag.travel/carryon/f7vvgl9fzq/patagonia-atom-tote-pack-20l/)

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

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>20 L</td></tr><tr><td>Weight</td><td>0.6 kg</td></tr><tr><td>Dimensions</td><td>41×30×13 cm</td></tr><tr><td>Airline fit</td><td>95%</td></tr><tr><td>Price</td><td>$90</td></tr></tbody></table>

## Feature by feature

| Patagonia Atom Tote Pack 20L | Feature | Patagonia Ultralight Black Hole® Tote Pack 27L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 0 | Opening | 4 |
| front | Passport | front |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| removable | Sternum Strap | Y |
| Inside |
| 13in | Laptop | N |
| 2 | Main Compartments | 2 |
| Y | 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>7.3-oz 400-denier recycled Polyester with DWR Finish</td><td>Body: 2.4-oz 70-denier ripstop nylon Lining: 3-oz 200-denier 100% polyester with a PU coating</td></tr></tbody></table>

## [Patagonia Ultralight Black Hole® Tote Pack 27L](https://onebag.travel/carryon/mdp5ssw9tl/patagonia-ultralight-black-hole-tote-pack-27l/)

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

![Front facing view of the Patagonia Ultralight Black Hole® Tote Pack 27L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1632922267/carryons/Patagonia_Ultralight_Black_Hole_Tote_Pack_27L_l4wfwd.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>27 L</td></tr><tr><td>Weight</td><td>0.4 kg</td></tr><tr><td>Dimensions</td><td>39×26×20 cm</td></tr><tr><td>Airline fit</td><td>99%</td></tr><tr><td>Price</td><td>$100</td></tr></tbody></table>

## Key differences between the Patagonia Atom Tote Pack 20L and Patagonia Ultralight Black Hole® Tote Pack 27L

-   **Opening:** Other on the Patagonia Atom Tote Pack 20L; Top zip on the Patagonia Ultralight Black Hole® Tote Pack 27L.
-   **Sternum strap:** Removable on the Patagonia Atom Tote Pack 20L; Yes on the Patagonia Ultralight Black Hole® Tote Pack 27L.
-   **Laptop sleeve:** 13in on the Patagonia Atom Tote Pack 20L; No on the Patagonia Ultralight Black Hole® Tote Pack 27L.

Both have: passport pocket, backpack straps, built-in organizer, 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. 180 accept both. 0 accept only the Patagonia Atom Tote Pack 20L, and 7 accept only the Patagonia Ultralight Black Hole® Tote Pack 27L.

### Only the Patagonia Ultralight Black Hole® Tote Pack 27L fits

Great Lakes Airlines, LC Perú, Lion Air Group, Spring Airlines, VivaColombia, Volaris, Wizz Air.

## Patagonia Atom Tote Pack 20L vs. Patagonia Ultralight Black Hole® Tote Pack 27L: which should you pack?

The **Patagonia Ultralight Black Hole® Tote Pack 27L** carries 7L more than the **Patagonia Atom Tote Pack 20L** (20L vs. 27L), while the **Patagonia Ultralight Black Hole® Tote Pack 27L** is the lighter pack at 0.4kg (vs. 0.6kg). For carry-on flexibility, the **Patagonia Ultralight Black Hole® Tote Pack 27L** fits 99% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Ultralight Black Hole® Tote Pack 27L; if you want to travel lighter, the Patagonia Ultralight Black Hole® Tote Pack 27L is the better call.