ECCO Men's Casual Shoe: Strong, water-repellent ECCO Hydromax fullgrain leather and oiled nubuck, with waxed stiching. Waterproof GORE-TEX membrane that keeps your feet dry and at the same time allows them to breathe. Vegetable tanned and metal-free leather insole with ECCO Comfort Fibre System. Anatomically shaped, extra soft and flexible Freon-free polyurethane midsole with shock absorption. Hardwearing, light and flexible Freon-free polyurethane outsole.