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These Pepper's Searchlight polarized sunglasses are a beacon in glare protection. The all-around shades keep your eyes shielded from the harmful, damaging rays of the sun. Triacetate polarized lenses reduce 99% of visible glare from water, snow, sand and pavement for increased visual acuity and decreased eye strain. Tortoise frames feature polarized brown lenses, ideal for bright sunny days and slightly overcast conditions. Grilamid(R) lightweight nylon frames offer a consistent fit and flexibility at any temperature, and they are extremely impact resistant. Shatterproof lenses provide 100% UV protection.