CONGRATULATIONS TO THE 2025 WINNERS
Overall Winner 2025 / SUSTAINABILITY

Terracoa - Biodegradable Outsole Material

Photo Credit: Mara Truog

 

 

  • Company
    Step Zero Ag
  • Lead Designer
    Eva Bergmann
  • Prize
    Winner in BIODEGRADABLE FOOTWEAR, Overall winner in SUSTAINABILITY
  • Expertise
    Brand

The outsole material “Terracoa” is made from certified biodegradable (EN13432) as well as plant based raw materials. This way it solves the issue of about 170g microplastics through outsole abrasion per person per year.
Terracoa is comparable to the performance of synthetic outsole materials e.g. TPU. Technical specs like rebound, abrasion resistance, glass transition, young modulus and elongation at break make it suitable for casual footwear e.g. sneakers.
Designed for injection molding, the compound enables seamless integration into typical existing outsole production.




Global Footwear Design Award 2025
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