<http://schema.org/sku>
"INSF 10351"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.fitness.cz/insportline/sport/cyklistika/trekingova-a-crossova-kola/damske-crossove-kolo-dhs-contura-2866-28-model-s539331419>