Comfort Feature: Padded collar and tongue helps prevent blisters and lace bruising. Construction: Patented walking Platform -- wide base of support for heel and forefoot flexibility. Footbed: Latex Kinetic Air Circulator -- durable cushioning with patented active air- circulating technology. Midsole: EVA lightweight cushioning and comfort helps reduce foot and leg fatigue. Outsole: Rubber -- durable traction. Upper: Full-grain leather -- easy to clean and maintain. Available Colors: White Leather, Black Leather, Ecru Leather.