Excellent pre-owned condition. See photos for minor signs of wear. Want to feel faster? Meet the Endorphin Speed 3 —a shoe that's the definition of swift. Designed with a new winged plate that helps support your run from toe-off to landing, it's everything you need to push your pace with ease. • A reimagined S-curve winged nylon plate centers and supports your foot better for daily training. • Updated geometry gives you a smoother ride and more pop and spring for serious speed. • A fully redesigned upper delivers a comfortable fit from heel to toe.