Created in durable full grain or nubuck leather with perforated details, adding to the excellent breathability Hidden lacing structure adds another element of protection for your feet Highly breathable textile lining ensures an optimal climate for your feet GORE-TEX SURROUND waterproof construction and air channels in the midsole increase breathability from all angles ECCO fluidform Direct Comfort Technology enhances flexibility for an active lifestyle Rugged rubber outsole for an outstanding grip and durability in all weather conditions