Designed as an up-tempo shoe, it's quickly proven to be much more. The Endorphin Speed 5 is equally capable during long, moderate training sessions and sprints to the finish. Product Details: Speed engineered - New lightweight engineered mesh for an even more comfortable fit, perfect for fast-paced runs and daily wear. Optimised outsole - Reconfigured outsole with expanded coverage in the heel for greater durability during your quickest strides. Full length groove to enhance the natural cycle of your gait. Snappy ride - A full-length semi-rigid nylon plate between two layers of responsive PWRRUN PB foam, giving you a perfect balance of propulsion and cushioning for every stride. Natural flow - Full-length groove enhances your gait cycle, giving you a smoother transition from foot strike to push-off. Weight per shoe: Men's 8.3oz (237g) Cushioning: PWRRUN PB Offset: 8mm (36mm/28mm) Width: Standard Race day / high performance Semi-rigid nylon plate SPEEDROLL technology Support: Neutral Product Name: Saucony Endorphin Speed 5 Mens Running Shoes - Laurel/Black Saucony Code: S21007-140 Option: UK Size 7 | US 8 | EU 41, UK Size 7.5 | US 8.5 | EU 42, UK Size 8 | US 9 | EU 42.5, UK Size 8.5 | US 9.5 | EU 43, UK Size 9 | US 10 | EU 44, UK Size 9.5 | US 10.5 | EU 44.5, UK Size 10 | US 11 | EU 45, UK Size 10.5 | US 11.5 | EU 46, UK Size 11 | US 12 | EU 46.5, UK Size 11.5 | US 12.5 | EU 47, UK Size 12 | US 13 | EU 48