Rockport 9000 Men's Prowalker Limited Edition Walking Shoe. Celebrating 50 years of continuous innovation, we're re-issuing the ProWalker 9000 in a limited edition — this is the shoe that started a walking revolution. The heart and soul of these walking shoes start with the sole: the Vibram Morflex outsole has an unparalleled lightweight feel, while still providing optimal support and traction. Made with premium leather, these men's shoes give you the all-day comfort to continue a walking revolution of your own.. Premium leather upper is easy to clean and maintain to extend your shoes' life. Vibram® Morflex® rubber outsole is engineered with a lighter weight for enhanced mobility. Vibram Morflex outsole also offers high shock-absorption, reliable traction, and lightweight durability.