Nike Womens Wmns Lunartempo, WHITE/BLACK-VOLT-LIGHT AQUA, 7.5 US 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 Phylon carrier for a plush, soft, and responsive ride. Rubber lugs in the heel and toe for durability, while Phylon Waffle pistons deflect into the Lunarlon cushioning core for a soft and smooth transition. 8.2 oz.