NIKE Women's Zoom Vomero 9 Black/White/Volt Running Shoe 6 Women US Synthetic-And-Mesh Rubber sole Dynamic Fit technology is achieved through Flywire technology integrated with the laces: Offers an adaptive, supportive fit Full-length Cushlon midsole: Provides soft yet responsive cushioning and durability Heel and forefoot Nike Zoom units: Adds lightweight, responsive cushioning at heel-strike and toe-off