Put your run into overdrive and crank up the intensity with the light and swift Saucony® Endorphin Pro Racing Shoes!Predecessor: Endorphin 3. Shoe Category: Speed. Offset: 8mm. FORMFIT engineered knit upper is lightweight, breathable, and wraps the foot for a personalized, locked-in feel that allows optimal performance. Lightly padded tongue and collar with traditional lace-up closure.Removable insole allows optional orthotics for extra customization.PWRRUN PB midsole cushioning and an s-curve carbon fiber plate allows powerful transitions and increased comfort.SPEEDROLL technology propels you forward for a smooth and responsive ride.Durable rubber outsole for traction and support.Imported. Measurements: Weight: 7 ozProduct measurements were taken using size 8.5, width B - Medium. Please note that measurements may vary by size.Weight of footwear is based on a single item, not a pair.