Features: Superior Ballistic Impact Protection Per Us Mil-Prf-31013 Standard Clause 3.5.1.1 Uncompromising Optics And Coverage Per Ansi Z87.1 En 166 Compliant Super Thin, Moldable Alloy Temples Fit Cleanly Under Ear Pro Without Breaking The Seal Fast Lens Exchange With Pivlock Lens Technology Tlt (Tapered Lens Technology) Corrects Distortion Anti-Fog And Scratch Resistant Coating On All Lenses 100% Protection From Uva/uvb Rays Compatible With Smith Rx System Insert (Sold Separately) New Infinitely Adjustable Nose Piece For Perfect Fit