A mesh base Balenciaga Track Replica gives way to mixed-material overlays. In terms of its design, there’s nothing about the sneaker’s upper that screams Balenciaga — or luxury, for that matter. It’s the sole unit, however, that stands out.The sneaker’s heel is mounted on a spring, which expands Inspector Gadget-style with each step.
Balenciaga’s become known for its wild sneaker designs, starting with the ultra-chunky Triple S and more recently its FW20 water shoe,
Zen sneaker or Tyrex shoe. In terms of functionality, though, the X-Pander looks to be the craziest.