 In early 2013 the Mercurial Vapor IX was released with Cristiano Ronaldo headlining the boot with his own personalized CR7 edition.The IX came out in a Sunset/Total Crimson/Volt and Fireberry/Red Plum/Electric colourways.The speed boot features a lightweight (less than 200 grams ) Teijin upper featuring both a golf ball dimpled synthetic and a leather finish for control at all speeds and contoured speed which delivers superior fit and complete lock-down.