Rock shields and SUV-like stability give you extra control and protection over trail hazards 3D rubber print mud guard protects your feet from trail debris BioMoGo DNA midsole cushioning dynamically adapts to your stride Pivot Post system connects areas to create a stabilizing suspension system, including a fifth pivot point at the toes (first metatarsal) for improved flex and toe-off Lace guard keeps laces secure and out of the way Rugged outsoles improve traction at midfoot on wet surfaces and tricky terrain Worn on a few runs, but these still have good treads. Original inserts were removed.