<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.burton.com/womens-stay-dry-outerwear/stay-dry-womens,default,sc.html?prefn1=variationSize&prefv1=XL&prefn2=filterColor&prefv2=Pink%7CPurple>