Inspired by their elite track spikes the New Balance SD100v4 has a traditional construction and a synthetic and mesh upper for durability during various sprinting events Made for emerging sprinters these women39s track shoes have an innovative spike plate that offers an aggressive yet forgiving ride for 60m to 400m races to help you push past your personal bestFeaturesTraditional construction for a secure fitSynthetic and mesh upper offers durability during various sprinting events and for toedrag sprintersSpike plate provides an aggressive yet forgiving rideAdjustable lace closure for customized fitMade for 60m to 400m track races