Mammut Introduces Spring 2025 Collection

For more than 160 years, Mammut has been moved by the mountains and inspired by the long days and endless possibilities that adventures bring. Mammut’s quest to build high-performing, sustainable products for the mountains continues in spring 2025 with its expanded offering in PFC-free rain shells, bottoms for alpine adventures, and continued quest to build high-quality gear with sustainable materials and repairability in mind. 

Mountains move people like no other place on earth. They change how we see ourselves, each other and nature, which is why Mammut is committed to building a global brand that actively works to ensure future prosperity for the places we love to explore. This is apparent in the brand's spring collection - starting with the Massone collection of climbing apparel.  

Mammut grows its Massone collection this spring with a new men’s and women’s Midlayer and Light T-Shirt, as well as a Tank and Bra for women. The Massone ML Hooded Jacket is a technical climbing midlayer with a modern look. An ideal combination of recycled nylon and polyester fleece, the jacket provides the perfect blend of stretch, durability and breathability. Built for climbing, design details include underarm gussets, fitted hood and elasticized cuffs. 

The Massone Light T-Shirt is an ultrasoft, quick-drying hemp jersey, and as with the Tank and Tank Bra, it is designed for maximum mobility and durability for climbing. The new Tank Bra features a racerback cut, and 4-way stretch fabric to allow for unrestricted reach - perfect for  bouldering or crag climbing. Mammut will also be releasing its best-selling climbing rope in a new PFC-free dry treatment, Crag Eco Dry Rope. The new rope is treated with Mammut Eco Dry and will be available in 9.5 and 8.0 diameters and 40 to 80 meters in length. 

In the alpine and hiking categories, Mammut is introducing two new hardshell jackets, the Ducan Guide HS Hooded Jacket and the Ducan Light HS Hooded Jacket. A progressive hard shell with ruggedness and performance at its core, the Ducan Guide HS is crafted with 3-layer 100% recycled polyester that is abrasion-resistant and breathable. The 2024 ISPO award winner uses the PFC-free Mammut Dry Tour treatment, delivering dependable weather protection with breathable comfort, keeping you dry on adventures in the rain and snow. The lighter and more breathable Ducan Light HS is a 2.5-layer recycled polyester treated with Mammut DRY Active to keep you dry on the move when weather rolls in. It also features a snap on the chest for increased ventilation. 

“We have been challenging ourselves to innovate and think outside of the box since we first started making ropes in the 1860s,” said Collin Jenkins, Commercial Director, Mammut Sports Group AG. “As mountaineers, we see challenge as an opportunity for growth - whether high in the alpine or in creating the best performing gear for those who love mountain sports. That is the inspiration behind our spring line - and why we continue to push the limits of what is possible in the mountains and in the gear we make.” 

From head to toe, Mammut is also growing its collection of bottoms this spring. The best-selling Runbold family of hiking and alpine climbing pants get an upgrade with a more sustainable fabric (100% recycled polyamide and elastane) and a new repairable design. The fully featured pant family is built with quick drying, 4-way stretch fabric, four zippered pockets and UPF 50 for sun protection. The collection includes pants, zip-offs and shorts, and the new Runbold Guide SO. The lightweight and durable softshell fabric offers durability and freedom of movement, and like the Runbold family, it is stacked with hiking features like zip pockets and an athletic fit. 

The full collection includes additional hardshells, pants, packs and ropes built for life in the mountains. The collection will be available to consumers February 2024 at specialty retailers nationwide and online at

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