UPPER In new eco-sustainable suede EVOLO®, an innovative production process that respects the environment and circular economy principles, recovering and regenerating suede processing waste and significantly reducing the chemical products without any further addition of chromium, while also cutting down on CO2 emissions and the use of water. Recycled rubber toe cup. LACING Extended Lacing fastening down to the toe taken from the world of climbing, for maximum customisation and a comfortable fit, held in place by holes and eyelets. PFC Free yarn laces. SOLE Presa® URB-03 sole is made of a midsole and an outsole composed respectively of 20% and 20% of recycled material without losing the basic characteristics of comfort and durability.