<http://schema.org/weight>
"468 grams (16.5 oz)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.newbalance.com/pd/suede-928/MW928-S.html?dwvar_MW928-S_color=Grey&cgid=102000&prefn1=width&srule=By%20Popularity%20%287days%29&start=6&prefv1=6E>