Fast enough for your everyday runs, light enough to keep you in the flow. The Nike Air Winflo 9 has a secure fit that keeps your foot in place as the miles go by. We added plenty of foam through the midsole, giving you extra pep to every step. Lace up, lock in, win your goals.Lightweight,Breathable Support. The upper uses translucent mesh at the forefoot for breathable comfort. The mid-foot band works with the laces to provide more support as you tighten them. Energised Steps. Cushion foam has been updated from the 8, giving you a springier feel that adds bounce to your stride. We used a Nike Dot Weld Air unit for enhanced impact support and responsiveness from heel to toe.Feet to the Ground.A rubber outsole with a Waffle-inspired pattern for road-ready traction. Cushioning at the collar for a snug, secure feel.