The Standard Issue Prizm Maritime Collection was developed to specifically address the challenges of water environments. Utilizing formulated dye compounding technologies" the lens technology emphasizes colors most sensitive to the eyes across varying light conditions. Engineered to reduce glare and separate colors to give you better visibility on the ocean horizon. Enhances greens and reds and filters out the shades of blue that overwhelm your vision on open water and increases contrast to help you identify targets out on the water. Essential gear for the elements. Reliable performance: full coverage" hat compatible and leash equipped Engineered to be the ultimate design for waterman sports" Split Shot has a detachable leas" Oakley's first Integrated Retainer System" to keep them secure and ready for action. The hat-compatible design of lightweight O Matter extends peripheral view and is essential gear for blocking sun" glare and other elements.