<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.burton.com/reflex-snowboard-bindings/reflex-bindings,default,sc.html?collectionID=reflex-bindings&prefn1=variationSize&prefv1=L%7CS>