Get secure comfort as the miles go by with the Women's Nike Air Winflo 9 Running Shoe. Mesh upper in a performance running shoe. Lace-up closure. Padded collar. Upper uses translucent mesh at the forefoot for breathable comfort. Midfoot band works with the laces to provide more support as you tighten them. Cushion foam has been updated from the 8 giving you a springier feel that adds bounce to your stride. Foam midsole. Nike Dot Weld Air unit for enhanced impact support and responsiveness from heel to toe. Durable rubber outsole with a Waffle-inspired pattern.