Ideal level of medial for the moderate overpronator. Heritage fit with inherent support in the upper. With a premium sockliner, lightweight breathable mesh in the upper a comfort thats unsurpassed. Midfoot arch strap and HRC strobel board, that increases cushioning and step in comfort. The ultimate in support and comfort. ProGrid in the heel and dual density SSL EVA a blend that maximizes rebound and durability while minimizing weight. SRC impact zone provides shock attenuation and sets the foot up for a smooth transition. SRC in the toe also provides a cushioningg system that provides smooth toe-off. With a blown rubber outsole and a carbon rubber XT600 that has outstanding abrasion and traction properties as well as XT900 in the outsole another carbon rubber material that offers exceptional traction properties without sacrificing durability.