-100% Waterproof with breathable mesh lining -Steel toe impact protection and steel shank for structural support -Puncture resistant midsole -Meets ASTM F2413-18 M/I/C EH / ESR (electric shock resistant) rated outsoles -Meets CSA Grade 1 standards -5mm CR Flex-Foam neoprene liner is 100% waterproof with exceptional comfort, flexibility, shock absorption and heat retention properties; adjusts to the contours of your foot to resist blisters and chafing -Twin neoprene topline and reflective pull-tab for easy on and off -Double toe and triple rubber heel reinforcement -Quick cleaning rubber outsole offers durability and traction on slick surfaces -bioDEWIX antimicrobial footbed insert topcover with NZYM for odor control and moisture management -Style: CCSTCSA Muck Boots Men's Chore Classic CSA Boots - Steel Toe