<http://schema.org/weight>
"305 grams (11 oz)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.newbalance.com/pd/hook-and-loop-577/WW577-V.html?pmax=75&cgid=40075&pmin=50&start=6&dwvar_WW577-V_color=White>