ECCO YAK leather is combined with sporty synthetic textiles that have been chosen for their breathability and strength. GORE TEX SURROUND® Technology provides 360º waterproof protection and excellent breathability. Soft textile lining allows for a snug fit and provides additional padding. Midsole provides cushioning and flexibility using innovative ECCO FLUIDFORM™ Direct Comfort Technology. Unique FLEX GROOVES on the sole work with the natural flexibility of the foot to improve ground contact and flexibility. Rugged rubber outsole for durability and grip in any weather.