The Nike Mercurial Vapor IV FG is a lightweight performance soccer shoe that's built for speed. Soft, supple TEIJIN synthetic leather upper adjusts to the foot shape. Contoured speed last mirrors the foot shape. Lace cover increases ball contact area. Revolutionary internal chassis creates instant acceleration. Contoured sockliner with EVA inserts helps reduce stud pressure. Direct injected heel studs offer weight reduction. Vapor forefoot plate with multidirectional traction pattern. For use on firm natural surfaces. Wt. 9.2 oz.