Padded collar and tongue helps prevent blisters and lace bruising. Hydro-Shield construction (waterproof leather, seam sealing, waterproof insole board, non-wicking laces) keeps foot dry and comfortable. Strobel provides forefoot flexibility to aid the walking motion. Patented Walking Platform provides a wide base of support in the heel with forefoot flexibility. EVA provides lightweight cushioning to help reduce foot and leg fatigue. Slip resistant rubber exceeds US Postal standards for durable traction. Waterproof full grain leather is scuff resistant, breathable and easy to clean and maintain.Available Colors: White Smooth Leather, Black Smooth Leather.