Oakley Frogskins Glasses Matte Black with Prizm Violet Lenses

Oakley Frogskins eyewear is designed with Three-Point Fit technology, which keeps lenses perfectly aligned and eliminates pressure on the ears.Technology:- High Definition Optics (HDO)High Definition Optics is a collection of patented technology that allow Oakley lenses to meet or exceed testing standards of the American National Standards Institute in optical clarity, visual acuity and impact resistance.- PrizmPrizm is a revolution in lens optics, after decades of colour science. Prizm lenses offer unprecedented control of light transmission to fine-tune colours to maximise contrast and improve visibility.- O-MatterA mounting material resistant to stress and extreme environments. It is lightweight and very durable. Controlled flexibility increases impact resistance while contributing to all-day comfort in frames made with this innovative synthetic product.- UnobtainiumA synthetic hydrophilic compound increases adhesion in wet conditions to provide a better grip in case of sweating.