The Type–S features Dalloz lenses crafted exclusively at the state of the art Christian Dalloz Sunoptics facility located in France. For more than 50 years, Dalloz Sunoptics has been producing aesthetically pleasing, high-performance technical lenses recognized for flawless clarity. 8x4 base lenses offer maximum clarity and durability. 100% UV Protection. Anti-reflective interior surface coating. Hydroleophobic exterior surface coating.