Electric Visual EG2 Polarized Grey Snow Goggle Lens All Electric goggle lenses are treated with a hydrophobic Anti-Fog coating; This absorbs moisture before fog can form on your inner lens Anti Reflection coating is a super thin treatment that is characterized by a soft violet mirror which is applied to the inside of a goggle lens Increased airflow creates a climate controlled environment that can reduce fogging and condensation on your inner lens Electric's lens vents are engineered to promote proper airflow and effectively eliminate fogging Hard Coatings are applied to the outer lens in order to create a proper seal against the elements