Reach your personal best on the track with the Nike ZoomX Dragonfly. Its lightweight, fast design is made for 1,500 to 10,000 meter races. Product Details - Detachable stainless steel spikes - World Athletics approved - Weight: Approx. 4.4oz (Men's size 8/Women's size 10) - Shown: Racer Blue/Safety Orange/Lime Blast/White - Style: CV0400-400