The Saucony Endorphin Shift 'Black Grey' running shoe incorporates a sleek and understated color scheme, showcasing a blend of neutral tones. Crafted with the innovative Speedroll technology, this shoe is specifically engineered to enhance your running experience by providing a built-in, propulsive stance. The upper is made from a comfortable knit textile material and boasts a striking skull graphic on the toe box, adding a touch of visual interest. Furthermore, the heel is protected by a smoky translucent overlay, providing an extra layer of durability and support. Delivering a springy and responsive feel, the shoe features a bulky yet lightweight PWRRUN midsole, which combines EVA and polyurethane foams. This winning combination creates a cushioning effect that is both supportive and comfortable, ensuring your feet remain protected and unrestricted throughout your run.