Saucony Men's Endorphin Speed 4 (Viziblue / Navy) Size:US10 / UK9 they feature recycled PET material

they feature recycled PET material and a design with less colors

Slow and steady wins the race

- ergonomic pockets

Polarized aviator green lenses

black smoke gradient lenses

Saucony Men's Endorphin Speed 4 (Viziblue / Navy) Size:US10 / UK9 they feature recycled PET materialWe'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