Unisex Saucony Endorphin Speed 5 Streakfly and 80 hours in UltraTrac™

and 80 hours in UltraTrac™ mode

An external drawcord offers adjustability and comfort

snappy ride

The new design also slots perfectly into the PREDICT SKIN 2 vest

Runner-based data was used to place open holes throughout the fabric

Unisex Saucony Endorphin Speed 5 Streakfly and 80 hours in UltraTrac™Runner's favourite Saucony Endorphin Speed 5 delivers reliable performance and comfort. Its smooth, responsive, and speedy perfect for those looking for a versatile trainer to do it all from speed workouts, uptempo long runs and even race day! The full length winged nylon plate combined with a layer of PWRRUN PB foam offers a stable yet flexible base, delivering a firm and snappy feel. More rubber in the heel and a flex groove along the sole help your