New Balance Men's SD100v4 kids Introducing the R1™ Percussion Device

Introducing the R1™ Percussion Device

Machine washable

ultra soft liners

Synthetic and mesh upper material offers breathability and a lightweight fit

Altra Ego Max: Midsole foam gives you all the light and luxurious performance with a little extra bounce and added durability

New Balance Men's SD100v4 kids Introducing the R1™ Percussion DeviceWhy You'll Love It: For track athletes, the New Balance SD100v4 is all about pure speed for the 100m to the 400m Category: Sprint Track Spike Weight: 6. 5oz The SD100v4 has a traditional construction and a synthetic and mesh upper for durability during various sprinting events. Made for emerging sprinters, these track shoes have an innovative spike plate that offers an aggressive yet forgiving ride for 100m to 400m races to help you push past your