Baffin Technology, Hunter Boots, Thermoplastic Rubber, Steel Toe, Puncture Resistant SoleLightweight and flexible TR compound 40C 40F felt inner boot system Longwearing self cleaning outsole 1" snow cuff Certified to CSA standard Z195 ESR EH rated Material: Thermoplastic Rubber Shoe Size 7 13 Toe Type Steel Sole Type Puncture Resistant Certification(s) ASTM F2413 11 CSA Green Triangle CSA Omega CSA Standard Z195 ESR EH Rated Temperature Rating Up to 40F ( 40C)