<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.burton.com/mens-red-helmets-protection-protection/mens-red-protection,default,sc.html?collectionID=mens-red-protection&prefn1=variationSize&prefv1=1SZ%20FITALL%7CL%7CM>