<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://eur.burton.com/default/womens-hoodies?prefn1=variationSize&prefn2=instock&srule=best-sellers&sz=100&start=0&prefv1=XL&prefv2=true>