crystal cave progrid omni 9< lifestyle

attracting visitors for over 145 years, the crystal cave in kutztown, pa is a mainstay for adventure. inspired by the unique geology and natural formations within the cave’s walls, this progrid omni 9 offers a gemstone-like opulence. iridescent in color, 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 the light changes focus. each x shoe comes with a custom box and dedicated sockliner.