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Buying checks

Check the seller before the logo.

A convincing logo or a familiar box cannot prove who made a pair of sunglasses. Before paying, identify the actual seller and record the exact model, size and lens you expect. Keep that information so you can investigate a mismatch after delivery.

Updated 8 Nov 2026

Identify who is selling the pair

A marketplace name is not necessarily the seller's name. Check the seller shown for the selected offer, the invoice details and the returns address. If a seller claims to be authorized, check the manufacturer's current retailer lookup where one is available. Do not treat an unsupported badge as confirmation.

Save the selected variant before paying

Keep a record of the model code, color code, size and lens description. A product-family title can cover several variants. If the title, size selector and technical details disagree, ask the seller to confirm the exact configuration. A low price, a high price or a care-kit bundle does not resolve that disagreement.

Read the return and warranty terms

Check the return period, return shipping terms and any condition restrictions for that seller and offer. Ask who handles a warranty claim and what documentation is required. Do not assume an authorized-retailer claim or a manufacturer photo extends a particular warranty to every marketplace seller.

Inspect condition without inventing an authenticity test

After delivery, compare the markings with your order record and the manufacturer's exact variant. Photograph a different code, damaged hinge, loose part or missing item before arranging a return. Hinges, finish and weight can reveal condition problems, but there is no universal heavy-versus-light or etched-versus-painted rule that proves authenticity.

A case, box or card is supporting information, not proof. Missing packaging may matter to the sale description, especially for a used pair, without establishing a counterfeit. A matching printed number may be a model or batch marking rather than a unique serial number. Ask the seller or manufacturer about the discrepancy instead of relying on one clue.

Verify UV protection separately

The National Eye Institute advises looking for 99% to 100% UVA and UVB protection or UV400. It also says not to assume expensive designer sunglasses provide better UV protection. If the claim is uncertain, NEI notes that many optical shops can test UV blocking with a photometer. That is a lens check, not a brand-authentication service.

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