Who helped you fall in love with running? A cheering parent? A PB-dedicated friend? We're all seeking relationships that go the distance. The Endorphin Speed 4 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, the Endorphin Speed 4 provides the perfect balance of support, rebound and forgiveness. Mile after mile, it's the one that will always show up for you.

Features
• Best for: Race Run/Speed Run
• Cushioning: PWRRUN PB
• Smooth Speedroll technology for effortless speed, smooth turnover and propulsive forward motion
• PWRRUN PB foam is a true unicorn, offering the best combination of cushioning and energy return of any foam on the market. Striking that just right feeling-firm enough to propel, soft enough to cushion
• Re-engineered winged nylon plate for vertical reinforcement while maintaining flexibility through the forefoot
• Insole: SRS

Specifications
• Heel-to-toe Offset: 8mm(36/28mm forefoot)

Hydrapak Tube Magnet