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