Sole: NRG Air Carbon Reinforced sole with a stiffness index of 8.0 and 5 vents for perfect airflow Upper: Ultralight PU Closing system: 1 x SLW2S.L.W.2 closing system: The micrometric...
The Northwave Sonic 2 shoes have the upper part made of ultra-light polyurethane with new construction of multiple layers coupling a light microfiber on large heat-sealed mesh ventilation inserts achieving...
