Costa Ballast Readers are part of Costa's super-light frame-less collection weighing in at just 16 grams, so you'll hardly feel any sunglasses on your face! The tough as nails rimless nylon frame is as comfortable as it is durable. These Costa reading sunglasses offer 100% UV protection and 100% polarization to eliminate any reflected glare and drastically reduce eye strain. The lenses on the Ballast readers are impact and scratch resistant, which provides for the greatest clarity possible.
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