Hard-wearing ECCO YAK leathers are enhanced with a waterproof GORE-TEX membrane, ensuring feet stay dry in wet conditions. Designed to match the natural curves of the foot, BIOM technology uses an anatomical last to bring you closer to the ground for greater stability, and a double-layer neoprene collar wraps the heel for comfort and softness. Champ Slim-Lok receptacle system features fast-to-apply ZARMA-TOUR spikes for ease of use and incredible traction.