When you want to get to the summit fast, lace up the Saucony Endorphin Rift. This speedy trail shoe combines soft, lightweight and bouncy cushioning with a forward rolling sensation that keeps you moving strong. With a sock-like upper and amazing grip, the Endorphin Rift is made to feel fast and free for everything from your training runs all the way to race day. Features Upper: A sock-like knit upper keeps the shoe lightweight, while the mesh panel in the midfoot gives you a secure fit. An adjustable lacing system allows it to fit a variety of foot shapes. Midsole: PWRRUN PB cushioning gives you a soft, comfortable ride with the energy return to power you through. It is combined with Saucony’s SPEEDROLL technology, where the geometry of the shoe pushes you forward. Plus, there is a rock plate to protect your feet. Outsole: PWRTRAC outsole gives you plenty of grip for traction on even the most technical trails.