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. For more classic looks, check out the Helm 2.Key Features of Spy Helm Polarized Sunglasses Happy LensÔäó enhances color and contrast, increases clarity, and improves mood and alertness. Constructed from virtually indestructible Grilamid?«. 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.