Waterproof, insulated men's work boots feature a composite safety toe and puncture-resistant midsole for ultimate protection on the job. The premium, shock-absorbing polyurethane footbed is compatible with Fahrenheit Heat Warmer insoles (not included) to help your feet stay extra warm on icy cold days. Includes 90 Degree winter rubber lug outsoles. The nonmarking soles are oil and acid resistant to withstand the harshest work environments. Korkers SnowJack Pro Safety Winter Boots