NIKE DUAL FUSION ST 2 (GS) PURPLE/BLACK
NIKE
It's features UPPER: Dynamic midfoot fit system provides a superior fit and running experience.MIDSOLE: Dual-density system of a firm Phylon carrier and a soft interior Phylon foot bed strategically angled to offer both medial support and cushioning.OUTSOLE: Classic Waffle pattern design for a smooth heel to toe transition.For the runner looking for the ultimate combination of cushioning, and a smooth ride.