The Kassius is a lightweight, waterproof, innovative design that sets a new standard for comfort and performance technology. Discover this high-tech, lightweight shoe, the best-seller in its range. Features: Outer shell : synthetic leather + 600D polyester Inside : 100% mesh polyester Outsole : 100% rubber Waterproof (26 000 Schmerber) and breathable insert CE model - level 2 high upper Homologated malleolus reinforcement (IPA) Reinforcements on shift, toes and heel areas Transversal rigidity to avoid lateral crush Reflective logos + heel yoke Closing/opening by metal cable and ATOP trammel system Anatomic tongue with neoprene on top for more suppleness Large medial zip protected by a flap Easy to put on thanks to a buckle on back Col: Black Sizes: 41 to 47