The Saucony Endorphin Pro 4 in White/ Mutant is designed to elevate your running experience, whether for race day or tempo runs. It features PWRRUN HG foam for enhanced energy efficiency, making each stride feel more powerful. A durable PWRRUN PB layer provides a snappy, bouncy feel, and the Speedroll technology combined with a full-length carbon fiber plate ensures quicker turnover and sustained momentum. The shoe also offers excellent traction with an ultra-thin XT-900 carbon rubber outsole and a comfortable, sock-like fit with its breathable mesh and flat knit tongue. Designed for maximum performance in competition, its double foam and ultra-lightweight design offer an explosive and efficient stride. It is suitable for asphalt surfaces and neutral runners, with a weight of 212g and a drop of 8mm.