Florsheim Men's Knightsbridge Wingtip 100% Leather Leather sole Sheepskin lining Heel pad featuring Jumpec(R), almost no compression set (less than 5%), very high energy return and good shock absorbing properties for 100% breath ability for cool comfort Heel pad featuring Jumpec Almost no compression set (less than 5%) Very high energy return and good shock absorbing properties 100% breath ability for cool comfort