Spark Lightweight Ankle - Black/Reflective Size:US6-US7.5 The Active Chassis creates a

The Active Chassis creates a strong base which helps torsional rigidity

comfort and protection as the main focus

89% polyester

creating a seamless finish which accentuates the Re:SubZero's unique design

but don't let the retro looks fool you – these are built for speed

Spark Lightweight Ankle - Black/Reflective Size:US6-US7.5 The Active Chassis creates aNike's Spark Lightweight socks are Breaking2 inspired, built to support where it counts, feature a unique ventilated pattern and provide exceptional comfort. The snug fit from top to toe helps create an almost barefoot feel. The triangular underfoot arch supports both your medial and lateral sides. Breaking2 inspired, unique ventilated pattern and supportive where it matters. Triangular underfoot arch support pattern. Sweat wicking technology helps