explosive speed. designed for the attacking striker, the nike mercurial superfly men's firm-ground football boot offers a revolutionary locked-down fit, barefoot feel and lightweight carbon-fibre plate for explosive speed.. seamless fit . the one-piece, tongue-less flyknit upper seamlessly integrates areas of high breathability, stretch and support. the dynamic fit collar fits over the ankle for a sock-like feel that locks the foot in place.. enhanced touch . the textured knit upper combines three technologies—flyknit, nikeskin and all conditions control (acc)—to bring your foot closer to the ball for optimal touch in dry or wet conditions.. explosive traction. the highly responsive and lightweight carbon-fibre plate delivers explosive speed in all directions. the vapor traction pattern features direct-inject blades that dig and release quickly for instant acceleration.. more benefits . lightweight, perforated sockliner mirrors the shape of your foot for comfort and low-profile cushioning. firm-ground (fg) studs for use on short-grass pitches that may be slightly wet but rarely muddy.