Sporty, yet stylish men's shoes. That's Muk Luks Nick. Genuine leather construction blends quality and comfort enhanced by a durable sole and flexible fit. These shoes are water resistant. 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.