Men's Endorphin Speed 5 ufuelcellflite-d Designed for chilly routes

Designed for chilly routes

An updated engineered mesh upper boosts breathability

Take on the cold weather in the Smartwool Run Cold Weather Targeted Cushion Crew Socks

This creates a more consistent and propulsive toe-off

Men's Endorphin Speed 5 ufuelcellflite-d Designed for chilly routesPush your pace in the Saucony Endorphin Speed 5 Mens running shoe, engineered for both speedwork and everyday training. Designed with responsive PWRRUN PB foam and a winged nylon plate, it offers snappy energy return and smooth transitions. SPEEDROLL technology propels you forward with each stride, while a full length longitudinal groove boosts flexibility for a more natural gait. The updated engineered mesh upper is lightweight and breathable,