PIT155 PIT VIPER THE FLIP OFFS REGULAR THE MERIKA BLUE HDPV POLARIZEDTHE FLIP OFF 2. 0. Smoother Flip Up Technology, grippier ear and nosepieces, and a more aggressive lens angle enhances sport performance and optical intimidation levels. Now available in two sizes so all head volumes can swing for the benches. HDPV provides ultra sharp clarity through carefully fine tuned tints and coatings. These lenses enable you to see your best by drawing out subtle differences in colors whether youre swinging for the benches,