Saucony Endorphin Speed 2 Second Hand Running shoes Men's Orange Men's Endorphin Pro 4 Running Shoes Saucony Saucony Endorphin Speed 2 Grey Men Saucony Shoes Saucony Mens Endorphin Speed 2 Running Shoe Size 1 Us ENDORPHIN SPEED 2 Reverie Saucony Australia. The Endorphin Speed 2 is a natural winner and now it? s back and better than ever Between its ultralight PWRRUN PB cushioning and responsive nylon plate it? s evident this shoe can do it all From speed work to longer runs from workouts to race day it? s more than ready to rock