Bold and bright, the Zoom Fly 6 is with you every step of your run. Lighter than the Zoom Fly 5, its responsive ZoomX foam adds energy return to each stride, while a carbon fiber Flyplate helps propel you to the finish line. Responsive Speed:ZoomX foam, Nikea (TM)s lightest and most responsive foam, delivers our most energy return with every stride you take. Carbon Fiber Flyplate:Full-length carbon fiber plate increases efficiency and responsiveness. Grippy Outsole:Thin rubber outsole is lightweight and grippy on the road. [] Product Details:Weight:Approx. 214 g/7.7 oz (Women's US 8). Heel-to-toe drop:8mm (Women's US 8). Not intended for use as Personal Protective Equipment (PPE). Style: IO9566; Color: Dark Obsidian/Racer Blue/Emerald Rise/Black; Size: 5; Gender: Female; Age Group: Adult | Nike Zoom Fly 6 Glam Women's Road Racing Shoes in Blue, Size: 5 | IO9566-400