ECCO Men's Cross Oxford 100% Full grain leather Synthetic sole Interchangeable, vegetable tanned and metal-free leather insole with ECCO Comfort Fibre System&#174 Hardwearing, light and flexible freon-free PU outsole with shock-absorbing effect Soft and flexible freon-free PU midsole with shock-absorbing effect (shock point) Leather lining for superior fit and breathability