Get it and go with Ultra 5. The catalyst for generating maximum energy return for instant acceleration is the SPEEDSYSTEM outsole, a proprietary design from PUMA. Lightweight yet durable synthetic upper in a regular tongue construction. Debossed support frame is designed to add stability to the lightweight upper. FastTrax studs, designed by PUMA, are complemented with more rounded studs the the lateral side. These two items working together create optimal traction on both firm and artificial ground surfaces.