NFPA 1971, NFPA 1990(1992), ASTM F2413 & CAN/CSA-Z195 certified Lightweight composite toe cap & puncture-resistant steel ladder shank Anti-slip sole w/ resistance to heat, flames, & electric hazards up to 18kv Ankle Protector & Ankle Flex System for better fit & freedom of movement Breathable Climate System & waterproof CROSSTECH liner w/ BBP resistance Firefighting can entail a multitude of unforeseen physical challenges. Because of this, you need a boot robust enough to handle anything thrown your way. The HAIX Fire Hero Xtreme blends durability with a lightweight design to boost agility. The featured anti-slip sole offers exceptional traction over various terrains, bolstered by an integrated ladder shank for joint support during ladder climbs. In the sole cavity, the injected foam provides shock absorption and insulation from heat or cold, while a steel puncture plate offers the highest puncture resistance. These firefighting boots also ensure a snug fit, flexibility, and enhanced ankle protection. In addition, a CROSSTECH inner liner renders these bunker boots waterproof and BBP-resistant, making them the ideal choice for the demands of firefighting.