Leather lined unisex Chelsea boot style in Blundstone weatherproof premium leather. Front and back pull tabs. Side elastic goring panels. Thermo polyurethane outsole resistant to hydrolysis and microbial attack. Polyutherane midsole for comfort. Shock Protection System (SPS) with PORON® XRD™ in the heel strike zone for increased shock protection. Comfort EVA removable footbed with PORON® XRD™ in the heel pad.