NIKE Lunartempo Women's Running Shoes 10 B - Medium Made in USA Engineered mesh offers a lightweight, breathable package with zones of support and breathability. Nike Flywire technology wraps the midfoot for lock down. Lightweight and responsive Lunarlon foam core interacts within a firmer PhylonTM carrier for a plush, soft, and responsive ride. Rubber lugs in the heel and toe for durability, while PhylonTM WaffleTM pistons deflect into the Lunarlon cushioning core for a soft and smooth transition.