Sustainable consumption: Why material choices really matter

LWG Gold-certified leather and mulesing-free Merino wool—two standards that reveal more than you might think.
03.03.2026

A white sheep looks directly into the camera, with more sheep grazing in a mountain meadow against a rocky alpine backdrop.

When you buy a new pair of shoes, you probably think first about fit, style, and comfort. But every material has a story: Where does the leather come from? Under what conditions was the wool obtained? These questions are anything but theoretical—they affect the environment, animal welfare, and the people along the supply chain. Sustainability isn’t a trend; it’s a mindset that starts with small choices. Choosing consciously sends a signal. And that’s where standards like LWG Gold-certified leather and mulesing-free Merino wool come in: they make quality measurable and responsibility visible.

 

What does LWG Gold-certified leather mean?

Materials with a story are more than buzzwords—they’re a promise. The Leather Working Group (LWG) is a non-profit organization that develops and verifies global standards for leather production. Its certification system assesses tanneries worldwide against environmental and social criteria: water use, waste management, energy efficiency, chemical management, and traceability of raw materials.

A Gold rating—the highest level in the LWG system—means a tannery demonstrably meets high standards in all these areas. Regular, independent audits ensure these standards don’t just exist on paper but are put into practice. For you as a buyer, that means you can assume the leather in your shoe comes from a tannery that operates responsibly and transparently.

Leather is a natural material with a long tradition. When produced responsibly, it can be durable, robust, and made with comparatively low resource use—provided the production process is consistently geared toward sustainability. That is precisely the goal of the LWG Gold standard.

 

Mulesing-free Merino wool: Animal welfare as a mark of quality

Mulesing-free Merino wool shows that animal welfare is a genuine mark of quality. Merino wool is considered one of the highest-quality natural fibers in the world. It’s particularly fine, temperature-regulating, moisture-managing, and naturally odor-resistant—qualities that make it especially appealing for shoes and textiles.

However, there is a practice in sheep farming called mulesing, which is heavily criticized in animal welfare debates. It involves removing skin from the area around the sheep’s hindquarters to prevent flystrike—a painful procedure typically performed without anesthesia. Mulesing-free Merino wool comes from farms that explicitly forgo this practice. The welfare of the sheep is clearly the priority there.

Forgoing mulesing isn’t a given—it requires alternative husbandry concepts and dedicated herd management. So when you choose a product made with mulesing-free Merino wool, you actively support agriculture that upholds higher animal-welfare standards.

Shoes that meet this standard

Wondering where to start? You’ll find models built on these two material standards—LWG Gold-certified leather and mulesing-free Merino wool. Whether for everyday life, leisure, or on the go, the following shoes combine comfort and quality with a more mindful production approach.

A smiling couple in front of a house facade. The man is standing in a white T-shirt and black pants wearing beige Giesswein Merino sneakers. The woman is sitting on a windowsill in a navy pantsuit and wearing dark gray Giesswein Merino sneakers.


WOMEN
MEN

 

What do our customers say?

The Merino wool sneakers Merino Runners WOMEN are featherlight and very comfortable to wear. The color is just as shown in the catalog—truly beautiful.
Bettina — ★★★★★

Merino Runners MEN The shoe fits great and is nice and light. The well-cushioned, springy, soft sole helps me achieve a soft step. I chose the shoe because of my back problems and will be expanding my collection.
Norbert — ★★★★★

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