<http://schema.org/weight>
"0"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.newbalance.com/pd/arch-support-insole/IAS3720M.html?pmax=50&cgid=21000&prefn1=color&pmin=25&start=5&prefv1=Grey%7COrange&dwvar_IAS3720M_color=Blue_with_Orange_and_Black>