<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.burton.com/default/hester-tee-short-sleeve-slim-fit-t-shirt/F15-138351.html?cgid=mens-tees&dwvar_F15-138351_variationColor=13835100002>