These lightweight track spikes offer a propulsive feel and efficiency for middle to long-distance track races. This version of the FuelCell SuperComp is designed in collaboration with hurdler and sprinter Sydney Levrone to deliver a fast feel and sleek look. Design: Lightweight airy mesh upper with bold sublimation details Collaboration model designed for NB Athlete Sydney Levrone In-Shoe Comfort: FuelCell foam delivers a propulsive feel to help drive you forward Durability & Traction: Carbon fiber plate with removable spike pins Designed for use in 800m - 1600m events