Iris Nubuck is a functional boot made of calfskin and nubuck with natural wool lining. The boot is finished with beautiful trekking details in soft tones. All leather and nubuck are from LWG certified production. Soft PU foam is used for the boots insole, which is both lightweight and shock-absorbing. The outsole consists of 65% natural rubber, 10% rubber, and 25% conventionally manufactured rubber. The breathability of the boot is ensured by the use of the characteristic WODEN cork sole, with an outsole based on our Natural Soft technology. A technology designed to ensure the best possible comfort, keeping you active and comfortable all day long.