The 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