Crafted in water-repellent oiled nubuck leather made by ECCO Leather produced using the ECCO DriTan method of reducing water and chemicals commonly used during the leather tanning process ECCO FLUIDFORM seamless construction ensures a natural fit and durable bond between the upper and sole Robust rubber-lugged outsoles provide traction in different types of weather conditions and terrain Interior leather collar with a textile interior and removable leather inlay sole for cushioning