Difeno Speed 2 is a natural winner, and now it's back and better than ever. Between its ultralight PWRRUN PB cushioning and responsive nylon plate, it's evident this shoe can do it all. From speed work to longer runs, from workouts to race day, it's more than ready to rock. Color black/grey Mesh Upper - Increases ventilation and support. FormFit - Delivers a personalised fit and feel. Lacing System - Locks down the midfoot. PWR PB - Provides lightweight cushioning. Composite Plate - Ensures smooth transitions. Speedroll Technology - Creating a feeling of continuous momentum so you can run faster, not harder.