Nike DUAL FUSION ST

UPPER: Dimensional single-layer mesh combined with a dynamic arch and heel lockdown system provide 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, medial support and a smooth ride.