Shoes with top spec solutions such as a thermowelded multilayer construction with no overlaps slw2 dial closure and nrg air carbon reinforced sole with five vents for optimum airflow ngr air carbon reinforced nrg air carbon reinforced provides increased stiffness thanks to the new blend of nylon reinforced with fiberglass and enriched with carbon as with the whole road soles collection it features the airflow ventilation system vents favour an optimal air flow in and out compatible with s