Mammut launches the Close The Loop project in partnership with the climate protection organization Protect Our Winters (POW). Old, discarded climbing ropes are collected and recycled. Bring your rope to one of the partner halls or send it to Mammut free of charge. The collection campaign is currently limited to Switzerland.

A contribution in cooperation with Mammut Sports Group AG

The effects of climate change threaten the ecological balance of the Alps and therefore the mountains that we love. A state that not only moves outdoor enthusiasts but also companies to act.

Mammut wants to use the project to recycle ropes that are no longer used and to manufacture new products from the material.

The Swiss outdoor company Mammut is leading the way and is launching the “Close The Loop” project in partnership with the climate protection organization Protect Our Winters Switzerland (POW). We are looking for old, discarded ropes that are made available for recycling.

Climate change threatens our passion

In Switzerland, the annual average temperature has risen by 19 degrees Celsius since the second half of the 1,8th century, twice as much as in the rest of the world. Nowhere else in Central Europe is climate change more drastic: Switzerland is experiencing serious changes in the water balance and landscape with the melting of the glacier and the decline in snow - and the conditions for mountain sports are deteriorating increasingly.

Close the Loop is all about climbing ropes.

The focus is on the ropes

Mammut started as a producer of ropes in 1862 and ropes are still an important pillar of the company today. At the same time, rope production has a major impact on the environment, since ropes are made from polyamide. Although polyamide is an extremely versatile and durable product, it is based on petroleum and thus significantly increases the CO2 emissions of rope production. Mammut wants to take responsibility, especially because of its own roots, and has set itself the goal of being a climate-neutral company by 2050.

With the pilot project “Close The Loop”, Mammut is taking another step in this direction and contributing to more sustainable mountain sports.

The raw material can be given a second life by recycling the ropes.

In the best case, it can even be possible to produce a mountain sports product from the recycled material. The central motivation of the project is to convert ropes from a linear product life cycle into a circular one - because the circular economy for the sustainable use of natural resources is becoming increasingly important.

From waste to a new product

“Close The Loop” is a pilot project carried out by the climate protection organizationProtect Our Winters Switzerland (POW)is supported. With the project, Mammut wants to gain more knowledge about how raw materials can be used longer and more times to reduce the footprint of mountain sports - even if the exact reuse of the recycled material is still unclear.

In a first step, the used ropes are collected and recycled. In this process, Mammut works with an external company that processes the ropes in several process stages in order to create a new product. In addition to the collected ropes, Mammut also recycles waste and waste from its own rope production.

Become part of the loop - bring your rope back or send it to Mammut for free

Mammut relies on our old ropes for the success of the project. Used ropes of every brand are collected. You can hand in your rope directly to one of the following climbing halls or a Mammut store. If it is impossible for you to hand in your rope in person, you can send it to Mammut by post free of charge. You will receive the return labelhere.

You can bring your old rope past in these Swiss climbing halls

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Credits: Image and text Mammut Sports Group, (1) Climate warming study(2) Study conditions for mountain sports