The boot's Adaptive Traction Technology changes the game, its pressure-activated stud in the forefoot extending when you need it, providing the grip and acceleration that football demands. Combining Flywire technology and a tough-as-nails glass fiber composite plate, the Nike Mercurial Vapor Superfly II FG Men's Football Boot is a force to be reckoned with. Flywire for reduced weight and better ball feel. Soft, supple TEIJIN synthetic leather upper for stability, traction and good balance for better ball control. Anatomically correct, contoured speed mirrors the shape of the foot for an enhanced fit and feel. Special ball-control coating on the lateral forefoot with contrast-color zone for identifying improved grip and enhanced ball control at top speeds. Lightweight perforated sock liner for superior low-profile cushioning and support while reducing pressure for comfort. Super-strong, super-lightweight glass fiber composite plate at outsole that reacts to need for speed. Strategically configured blades for superior footing and quick cuts in any direction. Toe-off traction for bursts of speed. Pressure-activated Adaptive Technology at forefoot for superior grip and acceleration on a variety of fields. Firm-ground bladed (FGB) cleats for use on short-grass fields that may be slightly wet but rarely muddy. Firm-ground molded studs (FG) for use on short-grass fields that may be slightly wet but rarely muddy.