The new and improved redesign makes this sport performance hybrid even more dynamic and sporty ECCO FLUIDFORM Technology creates lightweight, ergonomically advanced soles that offer cutting-edge comfort and flexibility BIOM NATURAL MOTION technology brings you closer to the ground using an anatomical last X-TENSA INVISIBLE TECHNOLOGY links the sole unit to the laces via internal enforcement for enhanced stability ECCO MTN GRIP outsole provides stability, traction and rotational support through three different sections Crafted in durable ECCO leather with 100% GORE-TEX waterproof protection, so your feet stay dry