<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.burton.com/mens-ak-collection/mens-collection-ak,default,sc.html?collectionID=mens-collection-ak&prefn1=variationSize&prefv1=XL%7CXXS&prefn2=instock&prefv2=false>