Plain, simple, and badass, the Dirk looks so tough it broke the mold. Available with the SPY detail- and mood-boosting Happy Lens(TM) and Trident(TM) polarization, the Dirk is built from virtually indestructible GrilamidA(R) and features snap pin hinges, 8-base polycarbonate ARCA(R) lenses and 100% UV protection. Features Available with the color and contrast enhancing Happy Lens(TM) and Trident(TM) polarization Built from virtually indestructible GrilamidA(R) 8-base polycarbonate ARCA(R) lenses for increased optical performance High-quality, long-lasting snap pin hinges 100% UV protection reduces eye fatigue and long-term sun damage Frame measures 64-16-125