<http://schema.org/weight>
"251 grams (8.9 oz)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.newbalance.com/pd/mid-cut-3000-rubber-molded-cleat/YB3000GS.html?cgid=31000&dwvar_YB3000GS_color=Black_with_Silver&start=42>