<http://schema.org/weight>
"395 grams (13.9 oz)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.newbalance.com/pd/new-balance-759/MW759.html?cgid=40075&prefn1=width&dwvar_MW759_color=Brown_with_Black_and_Orange&start=2&prefv1=4E>