Abrasion resistant toe guard withstands repeated scuffing

A layer of Helion HF for max energy return and rebound Propulsive glass fiber nylon-blend Speedboard Engineered woven mesh upper that's breathable and ultralight Design inspired by our pinnacle, race-winning super shoes Extreme rocker shape for a fast, forward-rolling ride Updated toebox design for fast training sessions Forefoot grip for added support during the toe-off phase

Helion HF powers this lightweight running shoe for big energy return. Ideal for fast runs and intervals, it features an ultra-responsive midsole, rockered geometry, and nylon-blend Speedboard for a fast, forward-rolling ride.

Style - 3WF10092929

Perimeter stability walls prevent excessive side to side motion