Women's size US 8/EU 39 vibrant orange Nike Alphafly 2. Never worn. I bought two pairs and never worn this one. Comes with Box and Nike Drawstring bag. Stack Height Heel Height: 40mm Forefoot Height: 32mm Heel-Toe Drop: 8mm The shoe utilizes Nike's ZoomX foam for cushioning, a full-length carbon fiber plate, and Air Zoom pods in the forefoot. These are racing shoes. Very fast racing shoes.