Structural Firefighting and EMS. One Boot. The Men's Rocky Code Red Structure Boot is engineered for firefighters and EMS professionals who need NFPA-certified protection across every type of call. Built with a Vibram Fire and Ice outsole, fire-resistant leather, and a thermal barrier BBP membrane, the Code Red Structure delivers structural fireground performance without sacrificing comfort during long shifts. Key Features NFPA certified for structural firefighting Vibram Fire and Ice outsole Fire-resistant leather upper Thermal barrier BBP (Bloodborne Pathogen) membrane Protection Standards Met Liquid resistance: resists penetration for at least 1 hour Pathogen resistance Water resistance Flex cracking resistance Puncture resistance Bending resistance Toe impact and compression protection Electricity resistance: passes electrical insulation testing