Saucony Endorphin Speed 5 W White/Navy Shoe size:7.5 thermal base-layer designed to be

thermal base-layer designed to be worn next to the skin and ideal worn on cooler days or as a layering piece

making them an essential piece of gear for performance and endurance in adverse conditions

focused beam for up to 2 hours of use

Fully packable into left chest pocket

Built for tearing up the track

Saucony Endorphin Speed 5 W White/Navy Shoe size:7.5 thermal base-layer designed to beEnergy efficient PWRRUN PB foam bounces back with every step combined with a winged nylon plate that provides torsional rigidity while maintaining flexibility in the forefoot, making for a sure footed, snappy ride SPEEDROLL technology for effortless speed and addictive forward motion you can rely on daily Increased amount of rubber coverage in the heel, extending further up the shoe and to the edges for added durability Full length longitudinal groove