See pics- some shedding inside that part must have been synthetic but the outside of the boots are in very good used condition. Weekend wardrobes call for a pair of sleek Chelsea boots from Timberland's Earthkeepers collection. Features Timberland Earthkeepers men's boots U-shaped gore on both sides for easier pull on Heel tab Green Rubber™ soles made of 42% recycled rubber to help provide traction and durability Footbed with Anti-Fatigue technology for enhanced shock absorption for reduced fatigue Leather upper; rubber sole Imported