Attracting visitors for over 145 years, the crystal cave in Kutztown, PA is a mainstayfor adventure. Inspired by the unique geology and natural formations within thecave’s walls, this ProGrid Omni 9 offers a gemstone-like opulence. Iridescent incolor, the shoe has been treated with an anodizing process that creates a “crystal”effect throughout the upper. An open mesh base shifts between colors when thelight changes focus. Each Saucony x Saucony shoe comes with a custom box anddedicated sockliner details.