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Frequently Asked Questions

1. What is the "Golden Thread of Sustainability"?

The “Golden Thread of Sustainability” represents the connection between you, our products, and environmental care. With every purchase, you are supporting our team to help strengthen a collective commitment toward a cleaner, more sustainable future.

We are dedicated to closing the loop. Through our Solterra Take-Back Program, you can mail back your heavily loved, worn-out sandals. We’ll break them down to reuse the rubber and EVA in our next batch of footwear and send you a discount on your next pair.

Billions of tons of plastic pollution and industrial rubber waste clutter our oceans and landfills because these materials are notoriously difficult to recycle effectively. Solterra diverts these stubborn waste streams from landfills and oceans, giving them new life through thoughtful design.

We follow a circular model focused on waste reduction, reuse, recycling, and remanufacturing. By keeping materials in use for as long as possible, we minimize waste at every stage of production and help create an everlasting cycle of resources.

Every pair of Solterra sandals incorporates a minimum of 50% recycled materials across its core components. This includes Recycled Rubber for superior outer grip and Recycled EVA for soft, responsive cushioning.

Every pair purchased directly offsets the need to extract new raw materials, which conserves water, reduces carbon emissions, and limits the environmental footprint compared to traditional footwear manufacturing. 

Solterra integrates social initiatives into its brand mission by utilizing production waste to support social causes and community activities.

Sustainability starts with making products that last. Solterra sandals are engineered to be lightweight, ergonomic, and long-lasting, reducing the need for frequent replacements and minimizing individual footprint over time.

To maximize the lifespan of your Solterra sandals, we recommend gently hand-washing them with a soft brush, mild soap, and cold water. Avoid harsh chemicals, machine washing, or tumble drying, as extreme heat can warp the recycled materials. Let them air dry in a shaded area away from direct, prolonged sunlight to maintain their shape and durability.

You can connect with us on social media @wearsolterra and visit wearsolterra.com! Share your sustainable journey, engage with our interactive Instagram community, and become an active part of team Solterra.