The Blackville men's casual oxford from Rockport(r) features DMX Max, a dynamic air cushioning system which provides maximum comfort. With Radial construction, the shoe has a very cushioned and flexible sole. A 2 density EVA foam footbed delivers cushioning where needed, while the OrthoLite(r) is a moisture absorbing anti-microbial top layer cushioning. The rubber outsole delivers a durable grip on a variety of surfaces.