Endorphins make you happy but your new Men's Saucony Endorphin Trainer running shoe also helps you win! It combines featherlight IncredIRUN foam with a sturdy PWRRUN base for fast yet forgiving efficiency. The 3/4 carbon fiber plate powers toe-offs while cushioning smooth landings, making training jogs feel like race day. With grippy XT-900 carbon rubber and a structured mesh upper, every stride is secure, durable, and comfy-even over long miles. Your Endorphin Trainer has speed, stability, and durability, all tuned for everyday greatness.