Saucony Men's Endorphin Speed 4 (Viziblue / Navy) Mens Shop All teardrop-shaped frames that were made

teardrop-shaped frames that were made famous by pilots during WWII

1:50k and a detachable safety-release lanyard

Nutrition Facts

low-profile design uses four AAA batteries

Saucony Men's Endorphin Speed 4 (Viziblue / Navy) Mens Shop All teardrop-shaped frames that were madeWe're all seeking relationships that go the distance. The Endorphin Speed 4 running shoe is here to fill the role. Designed as a race day shoe, it's quickly proven itself much more, equally capable during long, moderate training sessions and sprints to the finish. Thanks to the "just right" combination of winged nylon plate, SPEEDROLL technology and PWRRUN PB foam, this cushioned running shoe provides the perfect balance of support, rebound and