The Cruise Control from Merrell is a shoe engineered for trail runners who dont know the meaning of too much. This trail shoe features Merrells trail guidance system with dual-density midsole for men and triple density Q-Form for women. TrailSpring motion-control tubular cushioning is stiffer on the medial side to prevent over-pronation. AirMesh upper with leather trim. Forefoot ventilation and drainage system. And a dozen other features for the fit support comfort and durability required by racers who think a marathon is a walk in the park. Stability plus to light motion control.