Spy Optics Region XL Sunglasses % Visible Light Trans. Cat. Tint Base 13% 3 Grey Green SPY+’s Happy™ Lens is the foundational technology the brand offers across all its sunglass lenses, but it’s far from basic. Happy™ is SPY+’s proprietary technology designed to not just protect eyes but also boost mood and alertness by harnessing the beneficial aspects of long-wave blue light. Spy+ Happy™ Lens is available in polarized as well as non-polarized options in a multitude of tints and mirror options. This full-size frame is suited for just about any backdrop and style. It was developed with just about everyone in mind; in other words, it’s more than wearable; it’s perfect. More subtle than a wrap, more wrapped than contemporary styles, it’s the perfect blend of both in a lightweight yet robust design..