<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.burton.com/default/mens-tees?collectionID=mens-tees&prefn1=filterColor&prefn2=variationSize&prefv2=M&srule=inventory&prefv1=Yellow>