---
url: "https://onebag.travel/compare/f7vvgl9fzq/patagonia-atom-tote-pack-20l/tfrpjpuvuw/piorama-delta/"
title: "Patagonia Atom Tote Pack 20L vs Piorama Delta"
description: "Patagonia Atom Tote Pack 20L vs Piorama Delta: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/f7vvgl9fzq/patagonia-atom-tote-pack-20l/tfrpjpuvuw/piorama-delta/"
---
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3.  Patagonia Atom Tote Pack 20L vs. Piorama Delta

# Patagonia Atom Tote Pack 20L vs. Piorama Delta

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 | Piorama Delta |
| --- | --- | --- |
| Storage |
| N | Compression | 2 |
| None | Expanded Capacity | 42L |
| 0 | Opening | 1 |
| front | Passport | front |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside |
| 13in | Laptop | 16in |
| 2 | Main Compartments | 3 |
| 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>900D Nylon</td></tr></tbody></table>

## [Piorama Delta](https://onebag.travel/carryon/tfrpjpuvuw/piorama-delta/)

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

![Front facing view of the Piorama Delta](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990424/carryons/piorama-delta-tfrpjpuvuw.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>16 L</td></tr><tr><td>Weight</td><td>1.2 kg</td></tr><tr><td>Dimensions</td><td>42×32×12 cm</td></tr><tr><td>Airline fit</td><td>95%</td></tr><tr><td>Price</td><td>$195</td></tr></tbody></table>

## Key differences between the Patagonia Atom Tote Pack 20L and Piorama Delta

-   **Compression straps:** No on the Patagonia Atom Tote Pack 20L; 2 on the Piorama Delta.
-   **Opening:** Other on the Patagonia Atom Tote Pack 20L; Clamshell on the Piorama Delta.
-   **Laptop sleeve:** 13in on the Patagonia Atom Tote Pack 20L; 16in on the Piorama Delta.
-   **Main compartments:** 2 on the Patagonia Atom Tote Pack 20L; 3 on the Piorama Delta.

Both have: passport pocket, backpack straps, sternum strap, 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. 179 accept both. 1 accept only the Patagonia Atom Tote Pack 20L, and 0 accept only the Piorama Delta.

### Only the Patagonia Atom Tote Pack 20L fits

Air Niugini.

## Patagonia Atom Tote Pack 20L vs. Piorama Delta: which should you pack?

The **Patagonia Atom Tote Pack 20L** carries 4L more than the **Piorama Delta** (20L vs. 16L), while the **Patagonia Atom Tote Pack 20L** is the lighter pack at 0.6kg (vs. 1.2kg). For carry-on flexibility, the **Patagonia Atom Tote Pack 20L** fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Atom Tote Pack 20L; if you want to travel lighter, the Patagonia Atom Tote Pack 20L is the better call.