New Balance Men's SD100v4 womensfootwear Double layer

Double layer

over 7-hours of battery life

plus two side seam pockets

taking care of lactic acid buildup

EXPANDABLE STORAGE CAPACITY

New Balance Men's SD100v4 womensfootwear Double layerWhy 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