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Product DescriptionPlain, simple, and tough as nails, the Dirk is so wicked it broke its own mold. The frames are built from bombproof Grilamid material with custom metal details and durable integral hinges. The 8-base ARC polycarbonate lenses provide 100% UVA, UVB, and UVC protection to fully shield your eyes against harmful rays.
/HAPPY LENS: Spy Happy Lens technology lets in the good long-wave blue light that promotes balance in the body's circadian rhythm, blocks the harmful bad rays, and combines crisp, color contrast-enhancing lenses and Trident Polarization for the ultimate viewing experience.
ARC LENSES: Based on space-age technology, ARC (Accurate Radius Curvature) lenses are injected in a unique, tapered shape to provide optically correct, distortion-free viewing at all angles, ensuring against discomfort and eyestrain.
TRIDENT POLARIZED: Trident Polarized lenses block sunlight's glare-filled rays and filter the chaos into a stream of clean, clear light. Trident Polarized is layered and sealed within Spy's injected ARC lenses so your polarization will stay with you for the life of your glasses - no scratching, delaminating, or hazing of your polarized filter.