Compliant to EN ISO 20345 HRO CI SRA. Protective Toe Cap and Perforation Resistant Insole 100% Metal Free, anti-magnetic, anti-static. x2 horizontal segmented retro reflective bands 3M Improved conspicuity. 2mm airmesh fibre network regulates the internal climate of the boot. Deep cleated slip and abrasion resistant outsole unit 5mm neoprene lining, insulates to -25 degrees 360 degree reflective detail.