BIOM NATURAL MOTION technology with an updated last, allowing natural movement while providing support, stability and a snug fit. Gore-TEX technology provides 100% waterproof protection while still allowing foot to breathe. ECCO FLUIDFORM Direct Comfort Technology for cushioning, rebound and flexibility ECCO MTN GRIP has three different sections providing traction, stability and rotational support throughout the swing X-TENSA INVISIBLE TECHNOLOGY connects the upper with the midsole for enhanced stability.