25 cm Brand new, unused. Purchased at NIKE. Too cheap! Exceptional cushioning provides a higher level of comfort for everyday running. Experience a soft, rocking chair-like platform with the new ReactX foam underfoot. The exceptionally comfortable collar and tongue provide a superior fit. Furthermore, this version features a water-resistant membrane to keep you feeling dry. NIKE Zoom React Infinity Run 4 Blueprint Domestic genuine product, purchased from NIKE Size: 25.0 cm Although it's a women's size, it's the same as men's 25.0 cm, so please rest assured.