Advancing footwear
with sustainable outsoles

Our outsoles use certified biodegradable materials
to ensure minimal microplastic footprint.

SUPER FLEXIBLE

PU, TPU & RUBBER ALTERNATIVE

DURABLE

FREE OF SYNTHETICS

Our outsoles, made from 100% certified biodegradable materials, offer top performance with durability, flexibility, and traction. They are fully free of plastics and microplastics, supporting a cleaner planet today.

Research to production with
sustainable outsoles

From research to precise production, our outsoles made of 100% certified biodegradable materials are engineered to meet all performance standards of synthetic alternatives e.g. PU, TPU, rubber.

  • Hardness 65-70 Shoe A

  • Rebound 40-45 %

  • Abrasion resistance 154 mm^3 (within ISO 20871)

  • Glass transition temperature –22 °C

  • Young modulus 17.5 Mpa

  • Elongation at break 285 %

One step closer to
your circular product

Through rigorous testing, we ensure durability, flexibility, and traction while eliminating around 175 grams of synthetic microplastics per person annually.

Our material is applicable for injection molding and can be used to craft a variety of products, including:

  • Rubber boots

  • Mono-material shoes

  • Ski and snowboard boot outsoles

  • Inline skate wheels

and many more.

Let’s discuss your product ideas.

Curious about our certified biodegradables? Contact us to see how our sustainable materials can bring your product ideas to life.

—

Eva Bergmann – CCO
eva.bergmann@step-zero.com
+41 71 394 91 73