Nike Dri-FIT fabric wicks away moisture to help keep feet dry and comfortable. Nike Swift technology to help conserve energy, giving you more muscle enery to push that l Footstrike cushioning to offer your feet even greater comfort when running. Anatomical fir with left and right fits for your feet, you're sure to get the best fit pos Fabric:Dri-FIT Fabric 60% nylon 39% polyester1% span...