Work popular boots,

These boots are Terrfoootwear popular, meet the requirements of the ISO-EN12568, the CSA Z195-09, and the ASTMF2413 standards Green patch: indicates sole puncture protection with a Grade 1 protective toe to withstand impacts up to 125 joules. Electric shock Resistance: the white rectangle with the orange Greek letter omega indicates soles that provide resistance to electric shock. Grade 1 protection toe: blue rectangle indicates Grade 1 protection toe without sole puncture resistance. Static Dissipative: the yellow rectangle with green "SD" and grounding symbol indicates soles that are static dissipative. Brand New