Designed for the elite sprinter, the ASICS® Japan Lite-Ning™ 2 employs the latest material developments to create one of the lightest track spikes ASICS® has ever made. Ideal for distances up to 400 meters. Light, comfortable synthetic upper enhances performance and fit. Polymetric Monodensity spike plate promotes enhanced sprinting efficiency. Removable spikes allow athletes to replace worn elements. Wt. 4.5 oz.