Men's Endorphin Speed 4 Belts the flyback design offers greater

the flyback design offers greater freedom of movement

quick-drying and comfortable

Built to house 35 ounces of your favourite cold beverages

Naturally temperature-regulating

Men's Endorphin Speed 4 Belts the flyback design offers greaterThe Endorphin Speed 4 is made for everyday training and speed training. Features: 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 Re engineered winged nylon plate provides reinforcement while maintaining flexibility Winged Nylon Plate Support: Neutral Offset: 8mm Weight: 8. 2oz