This is the most advanced Endorphin Pro we’ve ever engineered. It is built to deliver a return on investment you can feel with every stride. At its core is a new dual-density engine: a high-performance fusion of PWRRUN PB and Super Critical PWRRUN HG for elite energy return. We’ve paired this with a re-engineered slotted carbon plate that optimizes SPEEDROLL technology, offering a smoother transition and an explosive snap off the pavement. Finished with a targeted PWRTRAC outsole for unwavering grip, the Pro 5 is the definitive edge you need to shatter your personal best. Product Details: Support: Neutral Weight: 6.3oz (178g) Offset: 8mm (39.5mm/31.5mm) Race day / high performance Snappy & Responsive SPEEDROLL technology Dual-layer PWRRUN PB and Super Critical PWRRUN HG foam combine to form a dynamic, lightweight platform that delivers explosive propulsion and responsive cushioning. A new slotted carbon plate sharpens SPEEDROLL efficiency—creating smoother, quicker transitions and an effortlessly fast forward motion. Durable PWRTRAC rubber outsole offers confident traction and mile-after-mile reliability in any conditions. Product Name: Saucony Endorphin Pro 5 Womens Running Shoes - Black/Shock Saucony Code: S11064-131 Option: UK Size 5 | US 7 | EU 38, UK Size 5.5 | US 7.5 | EU 38.5, UK Size 6 | US 8 | EU 39, UK Size 6.5 | US 8.5 | EU 40, UK Size 7 | US 9 | EU 40.5, UK Size 7.5 | US 9.5 | EU 41, UK Size 8 | US 10 | EU 42