Shoe Silverstone leather S3. Top quality natural grain water-repellent leather, selected for quality, strength and breathability.Attractive appearance and avant-garde design, suitable for use at work or outside.All day protection and comfort.Ergonomic; fits the foot perfectly with extraordinary comfort, flexibility and stability.Abrasion-resistant thermoregulated lining.Special Tri-Tec replaceable insole.Rapid fastening system without eyelets.Padded Comfort tongue