Safety: Lightweight, non-metallic, asymmetrical-shaped toe cap Meets US and Canadian safety standards including ASTM F2412-18a and ASTM F2413-18 I and C impact and compression safety standards and CAN/CSA-Z195-14 Grade 1 Provides secondary underfoot protection against live electrical circuits, electrically energized conductors, parts, or apparatus Meets ASTM F2412-18a, ASTM F2413-18, ASTM F2892-18 and CAN/CSA-Z195-14 standards Provides secondary underfoot protection against live electrical circuits, electrically energized conductors, parts or apparatus. Meets ASTM F2412-18a, ASTM F2413-18, ASTM F2892-18 and CAN/CSA-Z195-14 standards Flexible non-metallic plate minimizes the likelihood of puncture wounds Meets US and Canadian safety standards including ASTM F2412-18a, ASTM F2413-18 and ASTM F2892-18 PR puncture resistance and CAN/CSA-Z195-14 Grade 1 with protective soles This footwear is metal-free and won't set off metal detectors Design: Abrasion-resistant Ever-Guard(TM) waterproof leather with a waterproof membrane Fiberglass shank for structural support Frost plug for quick and effective moisture removal Padded collar at calf for superior comfort Multiple handles for ease of entry/exit 3MTM Retroreflective tape on toe and heel for 360 enhanced visibility in extreme conditions Boot comes with a heavy weight liner included In-Shoe Comfort: PU Shell and midsole provides rugged durability and cushioning Anti-Fatigue Technology is designed with shock-absorbing, geometrical technology that returns energy back to the foot to deliver all-day support and comfort Durability & Traction: Luggy all-weather TPU outsole to provide traction in all conditions Outsole is designed to be crampon compatible Additional Details: Boot comes with a heavy weight liner included Certified to -60degF