Jaws carbon reinforced solemade with a thermoplastic material enriched with carbon powder and a natural rubber tread this sole offers great lightness and maximum grip even on the most challenging of surfaces asymmetrical strapsthe asymmetrical strap construction is another northwave innovation the central strap is moved to the centre so as to follow the anatomy of the foot and reduce the pressure on the side area because it39s particularly sensitive the straps have been lightened of all s