Adidas Adizero F50 hard ground cleats in electro/purple colors. Sprintskin (a single layer synthetic) upper drastically reduces the adizero's weight. SprintWeb technology (a 3D texture and finish on the upper) results in quicker cuts and excellent stability in high-speed dribbling with a durable strike zone. Inner SprintWeb band construction offers increased stability in lateral and medial movements. Speedfoil, a revolutionary material that combines lightweight, softness and durability for a comfortable, yet locked down heel fit, Ultralight, perforated sockliner is carefully designed to not add bulk. Sprintframe for lightweight stability. Speedtraxtion, an all-new, high speed stud alignment for maximum acceleration and pinpoint changes of direction. Weight: 5.3 oz.