Blundstone Men's The Ducati Scrambler Motorcycle Boot 100% Leather Imported Synthetic sole Designed exclusively for Ducati and the scrambler motorcycle voltan black premium leather elastic sided boot An extra leather flap is stitched on the vamp of the left boot to absorb the extra wear from shifting gears Fully removable shaped comfort footbed with poronxrd in the heel strike zone for increased shock protection Polyurethane (polyurethane) midsole/thermo urethane (thermo plastic polyurethane) outsole highly resistant to hydrolysis and microbial attack and it is oil acid and organic fat resistant and heat resistant to 290 degree Steel shank - ensures correct step flex point that assists with torsional stability lightweight and durable