Designed for athletes chasing new personals bests, the Endorphin Pro 2 is Saucony’s most innovative road racing shoe. The Saucony Endorphin Pro 2 combines a stiff carbon-fiber plate, soft but responsive cushioning, and an upgraded upper to create a shoe that is ready to take on the best in distances ranging from 5k up to the marathon. What You'll Love Saucony’s lightest and springiest foam ever Single layered track spike inspired mesh Efficient rocker shape As the fastest and lightest shoe in Saucony’s Endorphin collection, the Endorphin Pro 2will have all the features needed to be an elite road racing shoe. The Endorphin Pro 2 offers a midsole that is packed with a full-length PWRRUN PB foam which will be one of the most responsive and lightweight PEBA-based foams out there. The PWRRUN PB midsole is complemented with a stiff carbon fiber plate and Saucony’s SPEEDROLL rocker technology which gives the Endorphin Pro 2 the rigidity and efficiency needed to propel runners towards faster times. The Saucony Endorphin Pro 2 will also offer a strategically placed rubber outsole with some exposed midsole to cut down on weight and give runners every advantage necessary. The single-layered mesh upper is the only true update to the Endorphin Pro 2 and offers a better fit with some modified overlays offering a snug and race-ready fit for runners. Overall the Saucony Endorphin Pro 2 has what it takes to help runners toe the line with confidence.