<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.burton.com/womens-red-helmets-protection-protection/womens-red-protection,default,sc.html?collectionID=womens-red-protection&prefn1=instock&prefv1=false>