Younger Boys adidas Originals ZX Flux The ZX Flux is a simple & modern trainer descended from the iconic ZX 8000 running shoe. This blue pair of 80s style trainers features a one-piece sleek mesh upper with classic TPU 3-Stripes. These boys shoes imitate the TPU heel counter of the orignal ZX thousands series for a signature look. The Details Durable rubber toe bumper Comfy, breathable textile lining adidas originals logo on the tongue Torsion provides adaptive midfoot support Signature heel cage; grippy outsole, size 13