---
url: "https://onebag.travel/compare/0apv0s48mi/mammut-nirvana-28/bigc8oiy89/patagonia-powslayer-backpack-38l/"
title: "Mammut Nirvana 28 vs Patagonia PowSlayer Backpack 38L"
description: "Mammut Nirvana 28 vs Patagonia PowSlayer Backpack 38L: 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/bigc8oiy89/patagonia-powslayer-backpack-38l/"
---
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3.  Mammut Nirvana 28 vs. Patagonia PowSlayer Backpack 38L

# Mammut Nirvana 28 vs. Patagonia PowSlayer Backpack 38L

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 | Patagonia PowSlayer Backpack 38L |
| --- | --- | --- |
| Storage |
| 6 | Compression | 4 |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| Y | Hip Belt | Y |
| 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 | N |
| N | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>90% Polyamide, 10% Polyester</td><td>7.9-oz 210-denier 100% recycled nylon ripstop with a TPU coating</td></tr></tbody></table>

## [Patagonia PowSlayer Backpack 38L](https://onebag.travel/carryon/bigc8oiy89/patagonia-powslayer-backpack-38l/)

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

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>38 L</td></tr><tr><td>Weight</td><td>1.2 kg</td></tr><tr><td>Dimensions</td><td>56×31×24 cm</td></tr><tr><td>Airline fit</td><td>26%</td></tr><tr><td>Price</td><td>$250</td></tr></tbody></table>

## Key differences between the Mammut Nirvana 28 and Patagonia PowSlayer Backpack 38L

-   **Compression straps:** 6 on the Mammut Nirvana 28; 4 on the Patagonia PowSlayer Backpack 38L.
-   **Passport pocket:** Front on the Mammut Nirvana 28; Top on the Patagonia PowSlayer Backpack 38L.
-   **Water bottle pockets:** 2, side on the Mammut Nirvana 28; No on the Patagonia PowSlayer Backpack 38L.
-   **Water resistant:** No on the Mammut Nirvana 28; Yes on the Patagonia PowSlayer Backpack 38L.

Both have: backpack straps, hip belt, sternum strap.

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

We checked both bags against the carry-on size limits of 189 airlines. 50 accept both. 123 accept only the Mammut Nirvana 28, and 0 accept only the Patagonia PowSlayer Backpack 38L.

### Only the Mammut Nirvana 28 fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Macau, Air Malta, Air Mauritius, Air Niugini, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Blue Air, Boliviana de Aviacion, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Czech Airlines, Delta Airlines, Dragonair, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Gol Linhas Aereas, Hawaiian Airlines, Hong Kong Airlines, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Japan Airlines, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Kulula, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Oman Air, Pakistan International, Peach, Porter Airlines, Qantas Airways, Qatar Airways, Republic Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Volotea, WestJet, Xiamen.

## Mammut Nirvana 28 vs. Patagonia PowSlayer Backpack 38L: which should you pack?

The **Patagonia PowSlayer Backpack 38L** carries 10L more than the **Mammut Nirvana 28** (28L vs. 38L), while the **Mammut Nirvana 28** is the lighter pack at 1.1kg (vs. 1.2kg). For carry-on flexibility, the **Mammut Nirvana 28** fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia PowSlayer Backpack 38L; if you want to travel lighter, the Mammut Nirvana 28 is the better call.