Hoodie Unless

Protect
your
playgrounds




This International Mountain Day, in line with our goals to minimize our impact, we have teamed up with UNLESS to create a 100% plant-based tee and hoodie. Through collective collaboration on the mountain and in the design studio, we can create change for good. All profits go straight to Protect Our Winters Switzerland.

  • Hoodie Unless

We’re joining forces for change. This is Mammut X UNLESS.

Discover the collab  

Watch now

Discover our new series of short stories with professional athletes changing the way they adventure in the face of climate change.

Maddy
Cope,
UK

"We can’t get away from the fact that we all have an impact."

Maddie Cope climbing

Dani
Arnold,
Switzerland

"You need to have ideas, you need to be creative."

Journal of Dani Arnold

Nadine
Wallner,
Austria

"I’m so flexible in what I do because I adapt to the current situation."

Nadine Wallner hiking in Mammut clothing