The all new Fastwitch 9 is ready to take you from just being a “finisher” to finishing first. The lightweight SSL midsole and PWRTRAC outsole will give you great cushion and traction, while the engineered mesh upper provides a breathable fit. It’s time to lace up, push the pace, and win the race in the all new Fastwitch 9. Engineered air mesh upper that combines breathability and support. SSL EVA compression molded midsole for lightweight responsiveness. PWRTRAC Rubber outsole provides 3x better traction than standard rubber.