What stands between you and a lack of traction? An innovative outsole that's been certified (ASTM F489-96) for slip resistance. Our Extended Progressive Diagonal Rollbar (PDRB) is a support system for your entire body. It strategically positions arch support to guide and keep your body in its natural path of motion. BioMoGo DNA, our proprietary cushioning, adapts to your stride, weight and speed. Why? So it can protect you by deflecting impact away from your body.