The Nike Mercurial Vapor SL Football Boots FG Sport Red/Metallic Gold/Black is the latest ultimate speed boot from Nike weighing just 210 grams and will be headlined by the worlds greatest players including Cristiano Ronaldo of Manchester United F.C. and Portugal.The boot has been designed to the very highest aerodynamic specifications and uses the revolutionary TEPEX Carbon Fiber composite chassis that is specifically designed to deliver maximum flexibility to the forefoot, support through the arch and gives added stability during all of the players multi directional moves.The upper of the Nike Mercurial Vapor SL is made from a game changing Teijin synthetic leather that adjusts and conforms to your unique foot shape.This super lightweight boot has a carbon fiber composite heel stabiliser which provides optimal support and evenly distributes impact during the heel strike.The re-engineered speed last of the Vapor SL features a contoured last that mirrors and supports the anatomical curves of the athletes foot.The outsole has specially designed Mercurial Vapor traction studs that are directly injected onto the carbon fiber chassis which helps transfer energy instantly, delivering immediate acceleration.The personal high performance of the boot is enhanced by the form fitting EVA foam cradled heel pods that cushion the heel providing ultimate comfort.The boot is completed by the new 2008 Vapor tongue of the boot that covers the laces for supreme accuracy and touch qualities.