Thank you for viewing. Please purchase after understanding that this is a used item. The heels are protected with Shoe Goo. Saucony Endorphin Pro 4 Size 25.0 The Endorphin Pro 4 is a high-performance running shoe that combines quick responsiveness and a smooth ride. The midsole combines two types of cushioning materials, PWRRUN PB and PWRRUN HG, to efficiently transmit power while providing comfortable cushioning. The full carbon plate increases propulsion, making it easier to maintain speed even over long distances. In addition, the smooth liner in the heel and the foot-fitting tongue structure make it easy to get used to the shoes from the day of the race.