Dedicated to boundary breaking innovation, the Free evolves once again. These juniors' Free Run trainers from Nike combine a breathable, supremely lightweight upper with Flywire cables for a locked down, supportive fit. Enhanced with Hyperfuse to the upper for cool comfort and sturdy support, auxetic foam to the midsole expands with every movement, allowing for a smoother, more natural ride, step after step.. Material: Textile Upper/Synthetic Sole