Nike Women&rsquo;s Shoes Free TR 6 Print Training Sneakers Synthetic Rubber sole Made for lightweight breathability and plenty of style, the Nike Women's Free TR 6 Print Training Sneakers offer ventilated mesh and supportive Flywire cables so you can take on your workout Advanced training sneakers Lightweight mesh upper Flywire cables for support Auxetic tri-star outsole pattern for a flexible, barefoot-like feel Outrigger aides in stabilizing during lateral movements Rubber pods on the lateral side of the foot for traction Synthetic upper; rubber sole