The Saucony 3D Grid Hurricane "Mushroom" is a colorway of the casual lifestyle shoe that celebrates Earth Day. In honor of Earth Day, the “Mushroom” Saucony 3D Grid Hurricane features a 100% bio-based leather composition. The shoe is complete with a tan mesh base with light yellow leather overlays made from sustainably sourced materials. Purple accenting within the overlays adds another layer of color to the shoe’s design.