The special technologies are taken on the making of ultra-light running shoes, the technologies of 3D injection molding and the advanced cut craft are employed and for achieving lighting amount of leather upper usage are also reduced.
The soles made from green materials have weight of only 52 gram bearing with good resistance to compression deformation and the property of sporting stability.
The shoes launched by Guirenniao have superior properties of light and soft that are favored by Marathon runners.
CITATION http://www.chinaleather.org/eng/show.php?itemid=5536
