The updated ZEPHYR MK2 GTX LO is a versatile duty shoe designed for long days on patrol or range use. Featuring the GORE-TEX® ePE waterproof/breathable laminate with no intentionally added PFAS, it delivers reliable all-weather protection. Performance upgrades include a dual-density PU midsole for heat and cold insulation, a breathable tear-resistant split leather/Cordura® upper, instep protection for fast-roping, and a slip-, heat-, and fuel-oil–resistant outsole. EU PPE certified. Duty Boot Certification: CE EN ISO 20347:2012 — 02 WR SRC FO CI HI HRO Upper Height (inside/outside): 80 / 115 mm