... insole 4.anti-static 5.Fibric 1.Anti-puncture,safer than metal 2.Comfortable:flexible,light,breathable,thermal insulating ,Metal free ... .8~4.0≥1,9000 MM√√√√Z-4H4.0~4.2≥2,0000 MM√√√ √Z-5A3.8~4.0≥1,8000 ... 8~4.0≥1,8000 MM√√√√Z-5D+4.2~4.4≥2,0000 MM√√√√LINJ214032 Non-metallic midsoles is Dong ... penetration one of the midosles, the thickness is 3.2-3.4mm, it was already passed Chinese peoples Liberation ...