Waterproof Magnashield leather & ballistic nylon upper, Waterproof booty construction, Moisture wicking laces, Aggressive high-traction oil-resistant outsole, Non-metallic scanner safe composite shank & hardware, Moisture wicking lining, Contour moulded insole, Tested & certified to European Standard EN 20347 for occupational footwear with SRA slip resistance, Full certification: EN ISO 20347:2012 OB E FO SRA, 673g per boot (sample size 8)