Equal dashes swagger and adventure help shape the Helm into a modern-retro classic with aggressive lines and an even more aggressive following. The Helm is available with the Happy Lens™ and Trident™ polarization, features a nearly indestructible Grilamid® construction, and delivers 100% UV protection. Details Happy Lens™ enhances color and contrast, increases clarity, and improves mood and alertness Constructed from Grilamid®, a lightweight frame material ideal for everyday wear due to its strength and flexibility 6-base polycarbonate ARC® lenses Keyhole bridge and integrated hinges 100% UV protection reduces eye fatigue and long-term sun damage Frame measures 57-18-140 Technical Information Fit: Medium Large Weight: 30g Product Material: Grilamid Lens Category: Cat.3 Technologies: Anti-Scratch Coating / Happy Lens / Integrated Hinge Available With RX: No