Rocky Industrial Athletix Composite Toe Men's Work Shoe Black Athletic work shoe Protective Toe Impact testing determines the amount of protection to the toe under various foot pounds of force. Compression testing determines the amount of static pressure a steel/composite toe cap can withstand. Our boots are I75/C75 Electrical Hazard Footwear is built with nail-free construction to help insulate you from the ground to slow down conduction, but is not intended to be primary protection against electric shock. Leather footwear must be dry. Our electrical hazard boots meet and exceed ASTM electrical hazard standards. Non-metallic Constructed using no metal material or parts. Perfect for working environments that require passing through metal detectors. Oil & Slip Resistant Outsole Composite Toe Non-metallic Light and flexible cement construction ASTM F2413 protective toe classification ASTM F2413 electrical hazard standard Fiberglass shank 4 Inches in height EnergyBed footbed featuring memory foam Composite toe Rocky Rebound EVA Midsole for Shock Absorption Oil & Slip Resisting Rubber Outsole