Oakley Sphaera SlashThe Oakley Sphaera Slash is a sport sunglass featuring an alternative "slash" lens geometry that reduces cheek interference and extends the field of view. Prizm lens technology enhances color and contrast across conditions, supporting visual performance during multi sport use. The lightweight O Matter frame keeps the build comfortable over long periods of activity. A front vent in the frame promotes airflow to reduce heat buildup during high output