This tested and proven mutant is always ready to get into the mix. Available with the SPY Happy™ lens and Trident™ polarization, the Logan sunglasses feature 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™ polarization Constructed from Grilamid®, a lightweight frame material ideal for everyday wear due to its strength and flexibility 8-base polycarbonate ARC® lenses increase optical performance High-quality pin hinges 100% UV protection reduces eye fatigue and long-term sun damage Frames measure 61-14-127 ANSI frames measure 60-13-124