The new and improved redesign makes this sport performance hybrid even more dynamic and sporty ECCO FLUIDFORM Direct Comfort Technology for cushioning, rebound and flexibility Crafted in durable ECCO leather with 100% GORE-TEX waterproof protection, so your feet stay dry BOA Fit System Li2 dial can be twisted in both directions, so you can loosen or tighten the fit for optimal comfort X-TENSA INVISIBLE TECHNOLOGY links the sole unit to the laces via internal enforcement for enhanced stability. BIOM NATURAL MOTION technology brings you closer to the ground using an anatomical last.