The newest innovation is the separated heel island constructed on glass fiber, with a stud system similar to the Mercurial Vapor. The contoured sockliner has Poron inserts for low profile cushioning. The front traction element is designed to provide superior power and instant acceleration when you need it most. Soft, supple and ultra-thin Teijin synthetic leather that conforms to your foot shape for comfort Stretch-synthetic-leather lace cover for increased ball-contact area and a smooth ball-striking surface Contoured last mirrors foot shape for optimal fit Contoured sockliner with EVA inserts to reduce cleat pressure Lightweight glass fiber plate at outsole with 6 detachable aluminium cleats for traction and acceleration Firm-ground (FG) cleats for use on short-grass fields that may be slightly wet, but rarely muddy Weight: 8.5 ounces (Men's Size 9