adidas Originals step up the legendary runner with these juniors' ZX Flux Primeknit trainers. Built with breathable, flexible Primeknit for supreme comfort, the sock-like construction streamlines the fit for updated wear. Classic ZX details keep tradition alive, including the midfoot-supporting TORSION system and a stabilising heel cage for a smoother ride. An EVA midsole keeps every step cushioned while the track-inspired semi-translucent outsole gives you plenty of hard-wearing traction wherever you wear them.. Material: Textile Upper/Synthetic Sole