Made in Germany
Siegel "Schadstoffarm"


Leather, one of the world’s oldest textile materials – is a natural product! It gives us breathable, steam-permeable and skin-friendly protection from the cold, from moisture and from foot injuries.
POLOLOs retain these natural qualities. Only vegetable materials are used for the tanning of our POLOLO leather, like the Valonea oak or the Tara fruit. Out of a feeling of responsibility for later generations, we uphold the highest ecological standards in our work. POLOLO is an active member of the Internationaler Verband für Naturtextilien (IVN). We consistently follow the exacting guidelines of the IVN certificate for natural leather („Naturleder“) that applies the strictest of requirements concerning contaminants content and manufacturing conditions, and prohibits the use of chrome-tanned leather. You can find out more about this on our ​blog​.

IVN certification criteria:

  • Use of vegetable or synthetically tanned leather
  • no chrome-tanned leather and no using of other heavy metals
  • The goal is to ensure the highest level of environmental and health protection
  • The dyes used to colour the leather must be free from AOX and heavy metals.
  • Coatings should generally not be used for leather finishing
  • Raw hides are sourced from domestic animals kept for meat or milk production
  • All processes in the production chain are certified and audited annually on site by an independent institute.
  • Packaging and recyclability of the goods are inspected for environmental sustainability.
  • Proof of fair and healthy working condition

Which criterias are important for the bio kreis certification?

  • Certification is based on the ‘IVN Naturleder’ seal
  • Just vegetable tanned nappa leather / no chrome leather
  • The raw hide is also certified and must be sourced from organic livestock farming, meaning that species-appropriate farming and slaughtering practices have been used for the certified leather.
  • Finishing is not permitted, and the leather therefore retains its natural characteristics, e.g. scars from insect bites
  • Fair working conditions
  • The bio kreis standard is based on a ‘transparent leather processing’ code: the leather must be consistently traceable back to the farmer!

About the Biokreis leather standard you can find more in our Interview with Ronja Zöls