How fast is ULTRA? Fasten your seatbelt. These boots feature a brand-new SPEEDSYSTEM outsole combined with FastTrax stud design for a football boot that's miles ahead of the competition. Three rounded studs on the lateral side let you switch between firm ground and artificial grass without compromising traction. Wherever you play, play at full throttle.<ul><li>ACCELERATION: The SPEEDSYSTEM outsole design combines a high-performance fibre base material with a revolutionary stud system, maximising energy return for faster acceleration</li><li>TRACTION: PUMA's FastTrax studs are combined with more rounded studs on the lateral side for the most optimal traction on both firm ground and artificial grass</li><li>STABILITY: Debossed support frame designed to add stability to the lightweight upper</li><li>The upper of this shoe is made with at least 20% recycled materials</li></ul><ul><li>Lightweight synthetic upper material</li><li>SPEEDSYSTEM outsole</li><li>Regular to narrow fit</li><li>Low-cut regular tongue construction, fits various foot shapes</li><li>FG/AG: Suitable for use on firm or artificial surfaces</li></ul>