Spy Optics Helm Sunglasses

SPY OPTICS HELM Models:  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. Fit: Medium-Large 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 SPECIFICATIONS Polarized:  Optional Photochromic:  No Lens Material:  Polycarbonate Base Curve:   8x Frame Size:  Temple Length 140mm; Bridge: 18mm Lens Size:  57x40mm