NIKE Women's Free RN Running Shoes (9 B(M) US) Engineered mesh with Flywire cables upper Imported Auxetic Tri-Star pattern for flexibility and a more natural feel outsole sole Lightweight, breathable knit mesh uppers with thin film overlays Flywire cables are built into the lacing for adjustable, adaptable support Soft textile lining offers a great in-shoe feel Lace-up closure, Lightly padded tongue and collar Removable foam insole.