You are up there, in the heart of the mountains, where the biting cold is unforgiving. It's in these moments that the Crag IN Jacket from Mammut steps in, a true shield against negative temperatures. Thanks to its synthetic fiber insulation, "Mammut LOOPINSULATION", this men's synthetic jacket not only keeps you warm but is also the result of eco-friendly innovation. Imagine, each fiber comes from recycled materials, including ropes, giving new life to what could have ended up as waste.
The Crag IN Jacket doesn't stop there. Its outer layer, windproof and water-repellent, also made from recycled materials, protects you from the elements while respecting our planet. It's as if this jacket made a pact with Mother Nature: keep you warm while minimizing its ecological footprint.
Whether you are an avid mountaineer or a winter hiking enthusiast, this jacket won't let you down. With a design as committed as it is performant, it is your ideal ally to conquer the peaks while taking care of our beautiful Earth. Put it on, and set off on an adventure with style and conscience!
2 zippered side pockets
Elasticated hem and cuffs for neat finishes
Regular Fit
Main material: 100% Recycled Polyamide
Lining: 100% Recycled Polyester
Insulation: Mammut LOOPINSULATION - 100% Recycled Polyester
PFC-free DWR water-repellent treatment
Fair Wear Foundation certified product
Weight: 464 g (M)

Nature is our playground and our commitment to the environment is obvious. This is also why we highlight our selection from HardGreen, which makes sustainable, eco-friendly products that help
Read more +
Monitoring and improving working conditions within the textile industry is the primary mission of the Fair Wear Foundation. This is an independent foundation that collaborates with member companies to guarantee decent working conditions, and to ...
Read more +
Made from old clothing, plastic bottles or fishing nets, products bearing this label contain at least 20% recycled materials. This saves water and energy, as well as raw materials, thus reducing the environmental footprint.
Read more +