Saucony’s ***orphin Speed 5 sneaker levels up daily training with a trio of performance technologies that each pull their weight. The PWRRUN PB cushioning delivers a springy, responsive feel underfoot, using a lightweight PEBA-based foam to keep every stride energetic without adding bulk. Speedroll technology guides you forward with a smooth, rolling transition that encourages quicker turnover and less wasted effort. A semi‑rigid nylon plate rounds it out, adding structure and snap while staying flexible enough for everything from tempo runs to long‑distance sessions. Suitable For: Race Day Engineered Mesh Uppers PWRRUN PB Cushioning Speedroll Technology Semi-Rigid Nylon Plate Style Code: S21007-98