---
url: "https://onebag.travel/compare/0apv0s48mi/mammut-nirvana-28/dgxi6d0ot5/cotopaxi-batac-16l-daypack/"
title: "Mammut Nirvana 28 vs Cotopaxi Batac 16L Daypack"
description: "Mammut Nirvana 28 vs Cotopaxi Batac 16L Daypack: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/0apv0s48mi/mammut-nirvana-28/dgxi6d0ot5/cotopaxi-batac-16l-daypack/"
---
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3.  Mammut Nirvana 28 vs. Cotopaxi Batac 16L Daypack

# Mammut Nirvana 28 vs. Cotopaxi Batac 16L Daypack

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

## [Mammut Nirvana 28](https://onebag.travel/carryon/0apv0s48mi/mammut-nirvana-28/)

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

![Front facing view of the Mammut Nirvana 28](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990381/carryons/mammut-nirvana-28-0apv0s48mi.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>28 L</td></tr><tr><td>Weight</td><td>1.1 kg</td></tr><tr><td>Dimensions</td><td>50×30×19 cm</td></tr><tr><td>Airline fit</td><td>92%</td></tr><tr><td>Price</td><td>$220</td></tr></tbody></table>

## Feature by feature

| Mammut Nirvana 28 | Feature | Cotopaxi Batac 16L Daypack |
| --- | --- | --- |
| Storage |
| 6 | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 0 |
| front | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| Y | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| N | Laptop | N |
| 3 | Main Compartments | 3 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| N | Water Resistant | N |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>90% Polyamide, 10% Polyester</td><td>100% deadstock nylon &amp; polyester</td></tr></tbody></table>

## [Cotopaxi Batac 16L Daypack](https://onebag.travel/carryon/dgxi6d0ot5/cotopaxi-batac-16l-daypack/)

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

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>16 L</td></tr><tr><td>Weight</td><td>0.3 kg</td></tr><tr><td>Dimensions</td><td>48×28×10 cm</td></tr><tr><td>Airline fit</td><td>93%</td></tr><tr><td>Price</td><td>$70</td></tr></tbody></table>

## Key differences between the Mammut Nirvana 28 and Cotopaxi Batac 16L Daypack

-   **Compression straps:** 6 on the Mammut Nirvana 28; No on the Cotopaxi Batac 16L Daypack.
-   **Opening:** Clamshell on the Mammut Nirvana 28; Other on the Cotopaxi Batac 16L Daypack.
-   **Passport pocket:** Front on the Mammut Nirvana 28; Top on the Cotopaxi Batac 16L Daypack.
-   **Hip belt:** Yes on the Mammut Nirvana 28; No on the Cotopaxi Batac 16L Daypack.

Both have: backpack straps, sternum strap, water bottle pockets.

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

We checked both bags against the carry-on size limits of 189 airlines. 173 accept both. 0 accept only the Mammut Nirvana 28, and 3 accept only the Cotopaxi Batac 16L Daypack.

### Only the Cotopaxi Batac 16L Daypack fits

Great Lakes Airlines, Regional Express, Virgin Australia.

## Mammut Nirvana 28 vs. Cotopaxi Batac 16L Daypack: which should you pack?

The **Mammut Nirvana 28** carries 12L more than the **Cotopaxi Batac 16L Daypack** (28L vs. 16L), while the **Cotopaxi Batac 16L Daypack** is the lighter pack at 0.3kg (vs. 1.1kg). For carry-on flexibility, the **Cotopaxi Batac 16L Daypack** fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Mammut Nirvana 28; if you want to travel lighter, the Cotopaxi Batac 16L Daypack is the better call.