Mules & Clogs are protective footwear featuring slip-resistant soles, and they are ideally made of rubber or leather. Rockport is a home-grown shoe manufacturer headquartered in Newton, Massachusetts, United States. The brand was launched in 1971 by Saul L. Katz, Bruce R. Katz, and Bruce Katz. Today, Rockport operates as a subsidiary of Berkshire Partners and New Balance Holding, Inc.