<http://schema.org/weight>
"227 grams (8.0 oz)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.newbalance.com/pd/pink-ribbon--665/WW665-K.html?cgid=273000&prefn1=width&prefn2=sizeRefinement2&dwvar_WW665-K_color=Komen%20Pink&start=9&prefv1=2A&prefv2=women_shoes_6>