Twisted X Men's 12-Inch Internal Met Carbon Nano Toe Waterproof Western Work Boot Shoe size:10 It meets ASTM F2413 electrical

It meets ASTM F2413 electrical hazard standards

EVA midsole

Multi-Durometer Rubber Outsole with high abrasion rubber outer lugs for high-impact durability and softer durometer mid lugs for added flexibility and increased slip and oil resistance

15-inch calf circumference

Twisted X Men's 12-Inch Internal Met Carbon Nano Toe Waterproof Western Work Boot Shoe size:10 It meets ASTM F2413 electrical12 Inches in height ASTM F2413 electrical hazard standard ASTM F2413 metatarsal guard standards ASTM F2413 protective toe classification Breathable airmesh lining Carbon nanofiber composite safety toe Defined heel Double stitched welt Full grain leather Reinforced Pull Holes Rubber outsole with molded EVA midsole Waterproof membrane Weight: 7. 3 pounds per pair for a size 10 Wide square toe XRD Material metatarsal guard for impact protection