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Spring hinges for durability
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Hypoallergenic Stainless Steel Front: For style & durability
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BluTech Ultra Plano (no Rx) Polarized Sunglass lens for the best blue light protection in the market
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Polarized Lens reduces glare
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100% UV protection
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Digital Screen friendly for readability (unlike other polarized sunglasses which may make a digital screen unviewable)
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Premium Anti-Reflective Coating
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Hydrophobic Coating: Repels water and easy cleaning