<http://schema.org/mpn>
"NBWFM5880 KEY crystal \u010Dern\u00E1"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.outdoorweb.cz/turistika/fleece-mikiny/panske-37218/NBWFM5880-KEY-crystal-cerna-panska-fleecova-mikina>