Merrell Chameleon Iso Men's Hiking Shoes. Outdoor adventure starts with the Merrell Chameleon Iso. This hiking shoe features a pigskin leather and Air Mesh upper. An adjustable elastic cord lacing system allows superior fit and enhanced comfort. The nylon injection molded arch shank and an In Board Compression molded EVA footframe keep you on the good foot. The striking Chameleon Sport Sole combines two densities of rubber with strategic variations in lug depth, for stability and traction, with maximum adaptability to changes in venue.