Ryn SPORTS BLACK

Leather mesh upper with Ryn Encapsulated Air Tunnel Max for an ultimate workout ride. Provides the cushioning you want, and the stability you need.Ryn Rocker Sole Technology: As the foot strikes 1.heel, 2.mid-foot and 3.toe-off on Ryn's seven layer sandwich structure, its EVA embedded graphite shank see-saws on the Ryn AIR TUNNEL, thus recreating the stable natural foot strike environment