... comfortStandards:EN 12568:1998s (suit EN345 safety shoes)Mold:459,700, 588,88,604,522,500……1.Steel insole : Stainless midsoles is made ... ASTM standards. Standard:EN 12568:1998s (suit EN345 safety shoes)Flexing resistance for steel insoleremark=no crack aftere 1X10 feexessteel insolepuncture resistant ... .6mm,4.0-4.2mm New product of Thermoplastic toecap safety boot