... velvet lining for comfortStandards:EN 12568:1998s (suit EN345 safety shoes)Mold:459,700, 588,88,604,522, ... ASTM standards. Standard:EN 12568:1998s (suit EN345 safety shoes)Flexing resistance for steel insoleremark=no crack aftere ... nonmental and non-conductive.It can pass the airport safety check.Compared to the traditional steel toecap,thermoplastic ... ,4.0-4.2mm New !Thermoplastic toecap safety boots