This tested and proven mutant is always ready to get into the mix. Available with the SPY Happy™ lens and Trident™ polarization, the Logan features a virtually indestructible Grilamid® construction, high-quality pin hinges, 8-base polycarbonate ARC® lenses for superior clarity, and 100% UV protection.Available with the Happy Lens™ and Trident™ polarizationConstructed from virtually indestructible Grilamid®8-base polycarbonate ARC® lenses increase optical performanceHigh-quality pin hinges100% UV protection reduces eye fatigue and long-term sun damageFrames measures an ideal 61-14-127