The Saucony Endorphin Shift 2 Men’s Running Shoe has been created to help make running fast feel easier. It mixes a lofty bed of PWRRUN cushioning with propulsive SPEEDROLL Technology, so you get more comfort and speed out of each stride. And with its stable platform and touch of guidance, you can count on lots of feel-good miles, every day of the week. Features SPEEDROLL Technology propels you forward effortlessly, so you can run faster, not harder A generous bed of PWRRUN cushioning provides a plush yet springy ride, perfect for any day of the week Stable platform and structural design gently guide your stride New trim heel counter provides a great fit with less weight Lightweight mesh upper and improved lacing system offers enhanced breathability and a locked-in fit FORMFIT hugs the foot in 3D comfort and delivers our most personalized fit yet XT-900 outsole with reinforced high-abrasion zones provides optimal traction and durability