Details: Top Cover Material: Ultra soft mesh polyester fabric to maximize air flow and reduce moistureCenter Cushioning Material: FitGuardandtrade to cushion every stride with slow recovery memory foamPerformance Base: Aerocellandtrade polyurethane for high energy returnInsole Thickness: .2165"Recommended for: Gym Workouts, Training SessionsBest for: Gym sneakers, Training shoes, Athletic sneakers, Tennis shoes