Costa Finlet Sunglasses - Matte Black - Copper Silver Mirror

Yes, Costa lenses are known for their industry-leading polarization technology, which significantly reduces glare.

These lenses are best suited for variable light conditions, including overcast days and early morning or late afternoon light.

The Finlet series features a rectangular frame profile generally classified as a standard medium fit.

Yes, they are designed for performance and durability in outdoor environments, though you should rinse them with fresh water after exposure to salt.

Costa offers both 580G (glass) and 580P (polycarbonate) options; check the specific product packaging to confirm your lens material.

Clean using a dedicated microfiber lens cloth and lens cleaning solution specifically formulated for non-polarized or mirrored optics.

Check the hinge screws and tighten gently with an optical screwdriver if necessary, or visit an authorized optician for professional adjustment.