<http://schema.org/weight>
"17.9 oz"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.newbalance.com/pd/dunham-burlington-waterproof/MCT410.html?cgid=111000&prefn1=width&dwvar_MCT410_color=Black&srule=By%20Price%20%28High-Low%29&start=10&prefv1=2E>