Lightweight mesh upper offers support and breathability Flywire cables provide a locked-down fit Auxetic tri-star outsole pattern adjusts to your foot for support and flexibility Perfect for any workout, these Nike Free TR 7 training shoes combine adaptable support with comfortable breathability. The lightweight mesh uppers are fitted with flywire cables for a locked-down fit, while an auxetic tri-star outsole pattern expands and contracts to help disperse pressure equally.