The Iris Snake Patent is a durable boot made from leather with a lining of microfiber. All leather used is sourced from LWG-certified production. The boots insole is made of soft PU foam, which is lightweight and shock-absorbing. The outsole is composed of 65% natural rubber, 10% rubber, and 25% conventionally produced rubber. In addition to the characteristic WODEN cork sole, the Iris Snake Patent features a WODEN airflow footbed for breathability and an ultra-soft walking experience throughout the day.