Men’s Nike Hyperdunk 2013 Royal Blue Basketball Shoes Style 584433-400 Size 11.5. A retro high-performance shoe featuring Dynamic Flywire across the sides, Hyperfuse paneling along the breathable mesh and synthetic upper; a Phylon midsole for responsive cushioning, and a rubber outsole that provides exceptional traction on any court. Silver Swoosh and Blue Flywire for style and lockdown. Stylish and functional. EUC.