---
url: "https://onebag.travel/compare/2pzklkilok/zpacks-bagger-ultra/perw7avpmh/pakt-stash-packable-backpack-16l/"
title: "Zpacks Bagger Ultra vs Pakt Stash Packable Backpack 16L"
description: "Zpacks Bagger Ultra vs Pakt Stash Packable Backpack 16L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/2pzklkilok/zpacks-bagger-ultra/perw7avpmh/pakt-stash-packable-backpack-16l/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Zpacks Bagger Ultra vs. Pakt Stash Packable Backpack 16L

# Zpacks Bagger Ultra vs. Pakt Stash Packable Backpack 16L

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

## [Zpacks Bagger Ultra](https://onebag.travel/carryon/2pzklkilok/zpacks-bagger-ultra/)

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

![Front facing view of the Zpacks Bagger Ultra](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990726/carryons/zpacks-bagger-ultra-2pzklkilok.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>25 L</td></tr><tr><td>Weight</td><td>0.3 kg</td></tr><tr><td>Dimensions</td><td>46×28×14 cm</td></tr><tr><td>Airline fit</td><td>95%</td></tr><tr><td>Price</td><td>$250</td></tr></tbody></table>

## Feature by feature

| Zpacks Bagger Ultra | Feature | Pakt Stash Packable Backpack 16L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport |  |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable, optional | Hip Belt | removable, optional |
| removable | Sternum Strap | removable |
| Inside |
| N | Laptop | 15in |
| 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>3.3oz/sqyd Ultra 100X, not coated with DWR or other chemicals and is PFAS free</td><td>70D x 160D recycled nylon Tasland ripstop fabric PFAS-free durable water resistant coating</td></tr></tbody></table>

## [Pakt Stash Packable Backpack 16L](https://onebag.travel/carryon/perw7avpmh/pakt-stash-packable-backpack-16l/)

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

![Front facing view of the Pakt Stash Packable Backpack 16L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990422/carryons/pakt-stash-packable-backpack-16l-perw7avpmh.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>0.4 kg</td></tr><tr><td>Dimensions</td><td>43×26×12 cm</td></tr><tr><td>Airline fit</td><td>96%</td></tr><tr><td>Price</td><td>$95</td></tr></tbody></table>

## Key differences between the Zpacks Bagger Ultra and Pakt Stash Packable Backpack 16L

-   **Laptop sleeve:** No on the Zpacks Bagger Ultra; 15in on the Pakt Stash Packable Backpack 16L.
-   **Water bottle pockets:** 2, side on the Zpacks Bagger Ultra; No on the Pakt Stash Packable Backpack 16L.

Both have: backpack straps, hip belt, 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. 179 accept both. 0 accept only the Zpacks Bagger Ultra, and 2 accept only the Pakt Stash Packable Backpack 16L.

### Only the Pakt Stash Packable Backpack 16L fits

Air Tahiti, Gulf Air.

## Zpacks Bagger Ultra vs. Pakt Stash Packable Backpack 16L: which should you pack?

The **Zpacks Bagger Ultra** carries 9L more than the **Pakt Stash Packable Backpack 16L** (25L vs. 16L), while the **Zpacks Bagger Ultra** is the lighter pack at 0.3kg (vs. 0.4kg). For carry-on flexibility, the **Pakt Stash Packable Backpack 16L** fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Zpacks Bagger Ultra; if you want to travel lighter, the Zpacks Bagger Ultra is the better call.