Speed Roll technology effortlessly accelerates speed and dramatically increases forward propulsion. Energy-efficient PWRRUN PB cushioning uses super foam that quickly returns to its original state. The improved design features an integrated tongue for a secure fit. Vertical reinforcement in the forefoot provides increased durability while maintaining flexibility. The sockliner combines PWRRUN+ and EVA materials for lightweight comfort and increased rebound. This race running model is also recommended for racing and speed training.
