The Oakley Crossrange XL Sunglasses are inspired by festival color vibes. The Crystal Pop Collection puts some dazzle in the crystal cool look of clear O Matter™ frame material. It's for those who celebrate life by adding color to style, and multiple designs in the collection feature Prizm™ lenses that enhance visual clarity by enriching colors. Oakley Crossrange XL Sunglasses Features Prizm™ is a revolution in lens optics built on decades of color science research. Prizm™ lenses provide unprecedented control of light transmission resulting in colors precisely tuned to maximize contrast and enhance visibility. High Definition Optics® (HDO®) Oakley lenses Increased Contrast It's for those who celebrate life by adding color to style, and multiple designs in the collection feature Prizm™ lenses that enhance visual clarity by enriching colors.