Men's Kingscup BlackMen's Kingscup Black The Kingscup Technology The Airplay IV is Duca's first fully recyclable, spikeless outsole and underscores our commitment to making environmentally friendly footwear. Functional lugs throughout the sole provide progressive stability and optimal grip, while the slightly raised heel height ensures the perfect stance. All of this has been specially designed by Fioretti for an uncompromising fit and lightweight cushioning that will