When Tshirt
type: Product
additional property: Size
  type: PropertyValue
  value: L, M, S, XL, XXL
offers: Offer
  price: 34.99
  price currency: GBP
  availability: https://schema.org/InStock
  item condition: https://schema.org/NewCondition

BreadcrumbList
item list element: Home
  type: ListItem
  position: 1
  item: /
item list element: tiptopsneakers.co.uk
  type: ListItem
  position: 2
  item: https://productregistry.org/merchant/tiptopsneakers.co.uk
item list element: When Tshirt
  type: ListItem
  position: 3
  item: https://productregistry.org/product/J9w738Zq