Fit & Design:

SUPPORT THAT MOVES.When you're on the run, you want cushioning for miles. The Nike Spark Socks deliver, with a secure and breathable fit made for your workout.

• Underfoot cushioning varies in thickness based on where you need it most
• Switch-foot arch support is designed to let you wear your socks on either foot
• Spandex in the heel helps secure the fit to keep your foot supported
• Mesh at the top of the foot helps provide ventilation
• Reflective stripe around the sock.