Design:The upper is made of Vaporposite+, which combines a grippy, grid mesh with a premium material for optimal ball control at high speedsFlyknit wraps your ankle in soft, stretchy fabric for a secure feel, a redone design improves the fit, so that it better simulates the footSpeed cage inside of the structure is made of a thin but strong material that secures the foot to the outsole without adding additional weight for optimal lockdownHeel studs provide traction and stability when brakingIn-Shoe Comfort:Soccer-specific 3/4 Zoom Air unit sits in the plate and provides an additional level of springy underfoot feel that helps you move faster on the field and create separation when it matters the mostDurability & Traction:Tri-star studs provide multidirectional traction with every step, so you can change directions quickly and confidently Heel studs provide traction and stability when brakingToe-off center studs give you traction during explosive starts