100% Waterproof; Steel toe impact protection and steel shank for structural support; Puncture resistant midsole; Breathable mesh lining; 5mm neoprene bootie; Twin neoprene topline and reflective pull-tab for easy on and off; Double toe and triple rubber heel reinforcement; bioDEWIX antimicrobial footbed insert topcover with NZYM for odor control and moisture management; Meets ASTM F2413-18 M/I/C EH / ESR (electric shock resistant) rated outsoles; CSA Grade 1 standards; Comfort Range: sub freezing to 65degF / 18degC