Upper: Soft Wildebeest Leather for extra comfort | Inner Sole: Bovine Leather. Moulds to your foot over time for extra comfort | Outer Sole: Durable thermo-plastic rubber that won't crack or break | Care: Do not immerse fully in water. Clean upper with a clear vinegar and cloth. Leave to dry | Warranty: Guaranteed against faulty workmanship or defective materials for 6 months from date of purchase.