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gear reviews

Gear Review | Mammut Nirvana 28

The perfect companion for missions in and off the mountains.

03/03/2025
Timo Macvan
Who wouldn’t want a backpack that’s versatile enough for almost any adventure? Whether as a daily companion in the city, at university, or the climbing gym, as a daypack for hiking, ski touring, and skiing, or on a winter splitboard tour with an overnight hut stay—the Nirvana 28 from Swiss outdoor brand Mammut is designed to handle it all.

First impression

Even at first glance, the Nirvana 28 impresses with its modern, yet sporty design. The very practical shape, which is primarily designed for storage space, still looks stylish and does not necessarily suggest that this is explicitly a freeride backpack. Of course, the trained eye will quickly recognise a ski goggle compartment, straps for attaching any snow sports equipment or the helmet net loops, but apart from that, the Nirvana 28 has a very urban design - which is why it does not only feel at home in the snow or on the mountain.

The colour scheme of the olive green Mammut Nirvana 28 with subtle colour accents on the straps also makes a stylish impression. The back panel and shoulder straps, including the chest and hip belt, are black, rounding off the timelessly classic color selection. This not only reflects current trends, but also has the practical advantage of being less susceptible to dirt. The otherwise typical orange zips have also had to make way for these designs - instead, an orange pendant on the zip of the safety compartment now provides a subtle colour highlight.

Alongside the style, Mammut also emphasises recycled main materials, which are not only environmentally friendly but also highly durable. Mammut also avoids the use of PFC during production, which reduces the ecological footprint without compromising on durability.

I also noticed the main compartment, which can be opened wide thanks to a 270° zip, allowing direct access to all items. This design is an absolute plus for a backpack with a large storage space in the main compartment. And even if the stated 28 litre total volume doesn't seem excessive, the Mammut Nirvana 28 proves to be a real space miracle.

Tester and test conditions

First, let me introduce myself—I’m the lucky person who received this backpack for of charge to test it for you. I'm about 1.85 m tall, currently weigh around 90kg and have a fairly long and strong upper body.

One thing is certain: the Nirvana has been to many different places over the past four months. From the Caribbean Sea, the beginnings of the Andes in South America and the University of Innsbruck to various places in the Alps on hikes, in ski resorts or on off-road tours.

Storage space & organisation

The Nirvana 28 has a total of four compartments. A goggle compartment is located at the top front of the backpack. The inside of the compartment is lined with soft fabric so that sunglasses or ski goggles can be easily packed without an additional protective cover. There is definitely enough space for a pair of ski goggles, and with a little Tetris skill you can also stow an additional pair of sunglasses or a muesli bar.

As usual with Mammut, the safety compartment is right at the front of the backpack, next to the goggle compartment. The bright orange inner material is a clearly recognisable feature. There are two additional insertion points for the probe and shovel shaft, which helps to ensure organised and quick access in an emergency.

The main compartment is surprisingly spacious. It fits all the clothes you need for a day tour in the backcountry. It was very impressive that there was enough space for everything for a tour with an overnight stay in the winter room. I had an extra waistcoat, an additional merino T-shirt, a bivouac sleeping bag and four small hop brews with me. The safety compartment contained the necessary equipment including crampons. The ski helmet was secured to the backpack with the helmet net provided. The only thing that had to go was the back protector, which can also be added.

The fact that the main compartment of the Nirvana 28 can be accessed via a 270° back access with zip means that Mammut offers a particularly practical solution when the backpack is put down in the snow. This makes it possible to access the main compartment quickly and directly even when fully loaded, including the use of attachment options outside the backpack such as a helmet net or ice axe. Of course, there is also a compartment for the hydration bladder in the main compartment.

The Mammut Nirvana also offers a solution for carrying the snow sports equipment of your choice and has an attachment option for snowboards via the front compartment with two straps. If you are travelling with skis, you can attach them diagonally or to the side of the backpack, which also makes it suitable for alpine terrain.

Another crucial factor for a winter sports backpack is carrying comfort. Thanks to the optimised carrying system, the Nirvana 28 sits comfortably and offers maximum freedom of movement. The ergonomic shoulder straps and padded hip belt ensure even weight distribution, even on longer tours. The height-adjustable chest strap is a real game changer, as a backpack can slide too far up and back with a heavy load and the chest strap can become very uncomfortable over time. The chest strap can be adjusted to three different heights by simply unclipping it.

Conclusion

After four months of intensive use, I can say with full conviction that the Mammut Nirvana 28 has become my absolute favourite backpack and daily companion - and not just in the snow. I was captivated by the stylish design as soon as I saw it. It just looks damn good and the olive green colour with the black accents makes it look super modern without looking too much like a "purely functional backpack". In fact, I enjoy using it just as much in everyday life, at university or when travelling as I do when freeriding or ski touring.

I was particularly impressed by how much storage space there is in these 28 litres. Whether it was a day trip in the Alps, an overnight stay in the winter room or even travelling to other climate zones - everything fitted in without any problems. This space miracle not only impresses with its capacity, but above all with the well thought-out organisation of the compartments. The soft ski goggle compartment has already saved me many a scratched lens, and the avalanche compartment with its bright orange details ensures that I know immediately where everything is ready to hand in an emergency.

What I particularly appreciate is the 270° back access to the main compartment. There's nothing more annoying than having to clear out everything in the snow to get to a jacket or a snack - no problem with the Nirvana 28, everything is immediately accessible. The attachment options for snowboards, skis or helmets are also perfectly organised.

I'm really impressed with the carrying comfort. I'm of above-average height and build, and the backpack still fits really well. Thanks to the adjustable chest straps and the comfortable hip padding, nothing slips and the weight is distributed comfortably over the shoulders and hips, even when fully loaded. This makes a huge difference, especially on longer tours or more intensive carrying passages. 

And yes, I admit it: it is also important to me that Mammut uses recycled materials and does not use PFC. Somehow it just feels better to use a product that not only scores points for functionality but also for sustainability. And of course, I realise that I don't have an overview of the entire supply chain and am relying on the information provided by Mammut, but there is a trend towards more far-sighted production.

For me, the Mammut Nirvana 28 is much more than just a freeride backpack. It is a versatile, stylish and extremely practical companion for all adventures - whether in the mountains, on the beach or in the urban jungle. If you're looking for a backpack that can really do it all and looks great at the same time, I can only recommend the Nirvana 28!

Advantages and disadvantages

Advantages:

+ Stylish & modern design - The backpack not only looks sporty, but also fits into everyday urban life.
+ Lots of storage space despite its compact size - The 28 litres are optimally utilised, leaving enough space even for longer tours.
+ 270° back access - Very practical access, especially when the backpack is put down in the snow.
+ Well thought-out compartmentalisation - Separate compartment for ski goggles (soft lining), avalanche equipment and valuables.
+ Drinking system compatible - Perfect for longer tours without constantly having to stop for a bottle.
+ High carrying comfort - Ergonomic shoulder straps, padded hip belt and height-adjustable chest strap for optimum weight distribution.
+ Versatile attachment options - Skis (diagonal/sideways), snowboard and helmet can be carried securely.
+ Sustainable materials - Made from recycled fabrics and without PFC, more environmentally friendly than many alternatives.
+ Durable & hard-wearing - High-quality workmanship and robust materials.
+ SOS label with emergency instructions - Practical safety feature for alpine tours.

Disadvantages:

- Back protector not included - Must be purchased separately if required.

Information

  • Recycled main material

  • Rear, full zip access to the main compartment

  • Integrated helmet holder

  • Front pocket for avalanche safety equipment

  • Diagonal and side ski attachment

  • Snowboard holder

  • Holder for ice axe and trekking poles

  • Drinking system-compatible

  • Integrated compartment for Mammut Back Protector (sold separately)

  • SOS label with emergency instructions

  • Back access to the main compartment 

Here is the link to the Mammut website with further information.

Mammut Nirvana 28 was provided to PowderGuide by the manufacturer free of charge for testing. You can find out how we test it in our test statement.

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