The 068 or the Chelsea Black is a versatile all-weather boot crafted for dry, all-day comfort. A thinner sole profile gives 068 Chelsea a leg up for people who require black footwear at work. Chelsea boot height adds excellent support and all-season protection from the elements. Premium leather. Polyurethane midsole for improved comfort and cushioning. Thermo-urethane outsole for improved resistance to hydrolysis and microbial attack. Steel shank for torsional stability. Removable footbed. XRD™ in the heel strike zone. Extra set of footbeds for fit adjustment. Leather lined. Please note AUS sizes listed. If you already own a pair of Blundstone boots, the size on the bottom of your boots represents the AUS size. Blundstone Rule of Toe: To determine Women's Blundstone AUS/UK boot size subtract 3 sizes from your CAN/US size. To determine Men's Blundstone AUS/UK boot subtract 1 size from your CAN/US size.