The Nike® ZoomX Dragon Fly is a special edition colorway celebrates unity as athletes worldwide emerge from the year's past events to compete in this summer's games. It's a celebration of sport, humanity and our ability to push through the toughest of challenges. The Swoosh celebrates its 50th anniversary by intertwining the past and present. The original Swoosh is outlined over the current version, representing the path Nike has taken from yesterday to today. Design: Lightweight mesh upper provides breathability and support made to go the distance In-Shoe Comfort: Nike ZoomX foam is incredibly responsive and lightweight, delivering optimal energy return and impact protection for your miles Traction & Durability: Forefoot plate was created using data from hundreds of runners. It helps ensure a smooth transition from toe-off to heel strike Additional Details Designed for 1,500 to 10,000 meter races Detachable stainless steel spikes Weight: 4.4oz (Men's size 8/Women's size 10)