Design: Polyester braided cord with nylon core for increased strength Secure fit lace capture system with a moving cord junction for a secure fit every time In-Shoe Comfort: Microfiber footbed cover and heel back for enhanced comfort Metatomical footbed adapts to your feet for a personalized fit Durability & Traction: Razor siping for improved ground traction Non-marking rubber outsole Additional Details: Cleansport NXT™ for natural odor control