Endorphin Speed 4 Width:Regular adjustable waistband and zipped back

adjustable waistband and zipped back pocket

while providing advanced airflow

Developed with great grip and stability

Plutonite® lens material offers top UV Protection filtering 100% of all UVA

Plush tongue for total comfort and easy step-in

Endorphin Speed 4 Width:Regular adjustable waistband and zipped backWe'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 PWWRUN PB foam, this cushioned running shoe provides the perfect balance of support, rebound and