The Nike ISPA OverReact Sandal 'Thunder Grey' is an exciting addition to Nike's range of innovative and experimental products. Designed to provide an ultra-responsive ride, this sandal boasts a stacked Nike React midsole, which strategically adds foam cushioning in areas that require the most support. To ensure maximum traction on various terrains, the sandal is equipped with a rugged tread pattern on the sidewalls and outsole, which features durable rubber at the toe and heel. The deconstructed upper is both lightweight and breathable, incorporating webbing straps and a drawcord lacing system for a secure and comfortable fit.