Enespro® 65 cal Arc Flash Bib OverallsEnespro 65 cal Arc Flash Bib Overalls When the job demands the highest level of lower body arc flash protection, the Enespro 65 cal Arc Flash Bib Overalls deliver. Built for electrical professionals working in extreme high voltage environments, these bib overalls combine maximum arc flash protection with a rugged, functional design so you can work confidently and comfortably through every energized task. Key Features 65 cal cm Arc Rating Exceeds NFPA