1.Protective toecap: Standard steel toe caps (optional);
2.Puncture-resistant insoles: Kevlar (optional);
3.Fabric: Black top-grain soft cowhide + integrated genuine sheep wool with intelligent heater;
4.Outsole Material: Cold-resistant rubber outsole (natural rubber);
5.Executive standard: Current GB21148-2020 Personal Protective Equipment Safety Shoes;
6.Size :35-46(225-280)