The Comfort Craving Pilot Path features sachetto construction that provides flexibility & slipp-like comfort. The Jersey lining is a soft, knitted fabric that feels great against the foot. It has shock absorbing heel cushioning. The rubber outsole provides a durable grip on a variety of surfaces, resilient forefoot cushioning, and provides a responsive, springy and energized ride. The sock lining leather provides durable moisture absorption & confirms to shape of foot.