---
url: "https://onebag.travel/compare/4ts73lrkf7/jansport-double-break/9uzpl3evsy/stm-haven/"
title: "Jansport Double Break vs STM Haven - One Bag Travel"
description: "Jansport Double Break vs STM Haven: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/4ts73lrkf7/jansport-double-break/9uzpl3evsy/stm-haven/"
---
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3.  Jansport Double Break vs. STM Haven

# Jansport Double Break vs. STM Haven

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

## [Jansport Double Break](https://onebag.travel/carryon/4ts73lrkf7/jansport-double-break/)

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

![Front facing view of the Jansport Double Break](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1626916606/carryons/Jansport_Double_Break_y08bzq.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>42×31×14 cm</td></tr><tr><td>Airline fit</td><td>95%</td></tr><tr><td>Price</td><td>$45</td></tr></tbody></table>

## Feature by feature

| Jansport Double Break | Feature | STM Haven |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 4 | Opening | 4 |
| N | Passport | N |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| N | Sternum Strap | N |
| Inside |
| 15in | Laptop | 15in |
| 1 | Main Compartments | 5 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1 | Water Bottle Holder | N |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>400D Nylon Packcloth</td><td>Polyester</td></tr></tbody></table>

## [STM Haven](https://onebag.travel/carryon/9uzpl3evsy/stm-haven/)

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

![Front facing view of the STM Haven](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1601598213/carryons/haven-moroccan-blue-front-angle_v4wuxs.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>0.9 kg</td></tr><tr><td>Dimensions</td><td>47×28×13 cm</td></tr><tr><td>Airline fit</td><td>93%</td></tr><tr><td>Price</td><td>$100</td></tr></tbody></table>

## Key differences between the Jansport Double Break and STM Haven

-   **Main compartments:** 1 on the Jansport Double Break; 5 on the STM Haven.
-   **Water bottle pockets:** 1 on the Jansport Double Break; No on the STM Haven.

Both have: backpack straps, laptop sleeve, built-in organizer, water resistant.

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

We checked both bags against the carry-on size limits of 189 airlines. 174 accept both. 5 accept only the Jansport Double Break, and 2 accept only the STM Haven.

### Only the Jansport Double Break fits

Air Tahiti, American Eagle, easyJet, Gulf Air, Ravn Alaska.

### Only the STM Haven fits

Air Niugini, Great Lakes Airlines.

## Jansport Double Break vs. STM Haven: which should you pack?

The **Jansport Double Break** carries 7L more than the **STM Haven** (27L vs. 20L), while the **Jansport Double Break** is the lighter pack at 0.4kg (vs. 0.9kg). For carry-on flexibility, the **Jansport Double Break** fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Jansport Double Break; if you want to travel lighter, the Jansport Double Break is the better call.