What are the most expensive football boots?

Nike Mercurial Vapor SL (super light) There are two versions of these Nike soccer cleats: The special, limited edition (only 2000 pairs), designed primarily for Cristiano Ronaldo and Didier Drogba. Carbon fiber makes up most of the shoe which makes it one of the lightest soccer cleats ever at 6.7 oz. (190 grams). It is also one of the most expensive soccer cleats costing $400.