This classic comfort Blundstone boot is the original Chelsea boot. The V cut upper reduces stitching exposure. This boot features strobel slip lasted construction, a fully removable shaped comfort footbed, SPS MAX comfort, PORON XRD in the heel strike zone for increased shock protection, 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 lightweight and durable boot is oil, acid, and organic fat resistant. The outsole is heat resistant up to 284 F.