Forget what you once knew about goggles, the games have changed! The Zeal Lookout Goggles are polarized for protection, have a factory anti-fog coating, and revolutionary new lens technology, Observation Deck Technology, expanding your vertical view by 20%. And adjusting to the day's veritable lighting conditions with the Lookout Goggles is a piece of cake. Automatic+ lenses adjust to changing light in real-time, and when it changes from day to night, the Rail Lock System ensures the cleanest and quickest lens swap.