Blundstone classic dealer boot black premium oil tanned leather elastic sided boot v cut upper reduces stitching exposure strobel slip lasted construction poron xrd in the heel strike zone for increased shock protection poron xrd in the heel strike zone for increased shock protection polyurethane pu midsolethermo urethane tpu outsole highly resistant to hydrolysis and microbial attack oil acid and organic fat resistant outsole heat resistant to 140c ergonomically engineered to