Saucony Endorphin Speed 6 Road Running Shoes - Men's Black/White 8.5 Regular. Built for performance versatility the Speed 6 features a newly-designed nylon plate for enhanced propulsion and smooth transitions and a lightweight upper for a locked-in secure fit. In the Speed 6 every run feels like momentum in motion. Specifications for Saucony Endorphin Speed 6 Road Running Shoes - Men's: Manufacturer: Saucony Gender: Male Footwear Type: Shoes Activity: Road Running Men's Shoe Width: Regular Features of Saucony Endorphin Speed 6 Road Running Shoes - Men's ADVANCED CUSHIONING: New PWRRUN PBX foam delivers increased cushion and efficiency with 2mm more foam underfoot for maximum performance. NEWLY DESIGNED NYLON PLATE: Provides increased propulsion with faster and smoother transitions. GO-FAST UPPER: A breathable lightweight mesh keeps the foot locked when picking up the pace. Package Contents: Saucony Endorphin Speed 6 Road Running Shoes - Men's Saucony S101825-1003-8.5: Endorphin Speed 6 Road Running Shoes - Men's Black/White 8.5