Northwave katana 2 womens mtb spd shoesthese womens katana 2 mtb shoes from northwave have jaws carbon reinforced soles with a stiffness index of 80 and natural rubber treads for enhanced grip the womens thermowelded layer construction combines multiple layers without overlaps for excellent ventilation and reduced weight whilst there are also thermowelded reinforcements for added protection these shoes feature an integrated heel system which ensures efficient heel retention and 3 lightweight