This square toe Chelsea boot features chisel toe styling, PORON® XRDTM in the heel strike zone for increased shock protection, a full length comfort footbed, SPS Max Comfort, an ergonomically engineered toe spring for reduced wearer fatigue, a defined heel, and a steel shank that ensures correct step flex point and assists with torsional stability. The polyurethane midsole and TPU outsole are highly resistant to hydrolysis and microbial attack. This boot is oil, acid, and organic fat resistant. The outsole is heat resistant up to 284° F.