Count on Muk Luks Parker men's shoes for good looks and reliability. They are made of genuine leather construction and feature lace-up front, flexible fit and durable sole for superior style and comfort. Rubber sole makes for a durable, yet flexible fit. Warning: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. Material: Leather, Polyester, Rubber.