NIKE Women's Free Bionic Black/Glcr Ic/Atmc Vlt/Glcr Ic Training Shoe 9 Women US Mesh Rubber sole Ultralight, wrap-around Flywire threads cradle your foot for exceptional support Strategically placed overlays at the toe and arch offer added stability during lateral moves and the unique traction pattern under the big toe lets your foot grip the floor for even more stability