The Apex 6" Wedge is built with a D30® support footbed for revolutionary shock absorption, all day comfort, and lasting heel and arch support. Its lightweight Vibram® Christy resoleable outsole gives all day stability and comfort.. The outsole also features Vibram Newflex to maximize your grip and enhance your energy. The APEX wedge is ready to put some in serious miles in over all kinds of territory. Count on it.