... /26cm/26.5cm/27cm Product name:Aluminized firproof shoes,heat insulation and fireproof shoesMaterial:Aluminized Fabrics,flame retardant cotton lining,steel cap, ... anti-puncture sheetFeathers:Fireproof,radiant heat insulation,short-time flame contact,waterproof,anti-puncture,anti-slip ... 8years,we can offer you the best service and quality. heat insulation shoes