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VO2 Max Monitoring: Train smarter with VO2 Max
delivering a superior running experience
the newly redesigned Cielo X 3 LD takes distance racing to the next level with advanced underfoot technology and a refreshed upper
Experience unbeatable comfort and top-notch performance in one
Mesh construction on top of the sock provides ventilation for added breathability
Men's Endorphin Speed 5 Size:13 VO2 Max Monitoring: Train smarterSaucony Endorphin Speed 5 Experience speed like never before with the Saucony Endorphin Speed 5. Engineered to help you reach your personal best, this shoe combines Sauconys lightweight, responsive cushioning with their innovative SPEEDROLL rocker technology and a nylon plate designed to propel you forward effortlessly. The Endorphin Speed 5 introduces key upgrades for an even better ride. The refined PWRRUN PB foam delivers a firmer, more controlled
