Smith Optics 2015 Aegis Echo II Elite Tactical Eyeshields Superior ballistic impact protection per US MIL-PRF-31013 standard clause 3511 Super thin, moldable alloy temples fit cleanly under ear pro without breaking the seal Hydrophilic Megol Temple and Nose and Anti-Fog and Scratch Resistant Coatings on all Lenses 100% Protection from UVA/UVB rays, Compatible with Smith RX System Insert and New infinitely adjustable nose piece for perfect fit