Specifically designed for neutral runners; Ideal for daily training, tempo, and interval training; Energy Foam midsole for responsiveness and cushioning; Lightweight construction for a fast feel; Engineered mesh upper for ventilation and flexibility; SensiFit technology for adaptive foot support; Pleated tongue to keep dirt out; Contagrip Road outsole for excellent performance on flat surfaces; Durable sole for long-lasting use; Provides traction and speed enhancement