<http://schema.org/mpn>
"NBWFL4552 RUV TURBULENCE"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.outdoorweb.cz/turistika/fleece-mikiny/damske-37219/NBWFL4552-RUV-TURBULENCE-damska-fleecova-mikina>