<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.burton.com/mens-stay-dry-outerwear/stay-dry-mens,default,sc.html?prefn1=instock&prefv1=false&prefn2=filterColor&prefv2=Red%7CWhite&srule=filterCollection>