Durable water resistant breathable full-grain leather upper certified waterproof up to 10, 000 flexes, X-208 high abrasion resistant 1.4-1.6 mm thick split leather toe bumper with high tensile & tear strength (1, 000 cycles H22 50 gram Taber), i-shield liquid & stain repellent technology protects against fluids & blood borne pathogens, Composite toe cap & penetration resistant plate which is as strong as steel but much more lightweight, & also scanner safe, YKK circular side-zip for quick donning & doffing, Padded foam collar & bellows tongue for added comfort, Strong, rustproof scanner safe hardware, Agion™ treated Cambrelle® lining, M-PACT insole with memory foam for maximum comfort & support, Durable high-traction carbon rubber X-Traction SRC slip resistant outsole with ladder grips, Anti-static, slip & oil & acid & alkali resistant outsole, insulated against both heat & cold, Tested & certified to European Standard, EN ISO 20345:2011 S3 HI CI HRO AN WR SRC