Ray-Ban RB4391D Sunglasses - Transparent Grey

The Wayfarers that started it all inspired this new, casual shape: the RB4391D. The addition of fl...

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JoomJoom Ray-Ban Men's Black Sunscreen Uv Protection Plate Frame Square Sunglasses Cm
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Ray-BanRay-Ban Sunglasses - Transparent Grey Frame Grey Lenses 65-18, RB4391D
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Product Information

Full details

The Ray-Ban RB4391D sunglasses are designed for adults seeking a versatile, unisex accessory that merges classic Wayfarer heritage with a modern, casual aesthetic. Featuring a distinct square frame and contemporary flat lenses, these sunglasses provide a reliable everyday style that complements a wide variety of facial structures; however, those requiring specific high-wrap sports protection may find the casual fit less secure during vigorous physical activities.

All features

Age Groupadult
GenderUnisex
Model Part NumberRB4391D
BrandRay-Ban

Extended Product Information

FAQs

Are these sunglasses unisex?

Yes, the RB4391D is designed as a unisex model suitable for any adult user.

What is the frame size?

The frame has a length of 15.1cm and the temple/pattern length is 14.4cm.

Does this model come in other colors?

Yes, there are various siblings in the series, including classic black versions.

Can I replace the lenses with prescription lenses?

Generally, Ray-Ban frames are compatible with prescription lenses, but you should consult with your optometrist to verify lens compatibility for this specific model.

How should I store these sunglasses?

Store them in a hard-shell case when not in use to protect against accidental crushing or scratching.

Troubleshooting

Lenses appear smudged or blurry

Clean both sides of the lenses using a clean microfiber cloth and an approved lens cleaning solution.

Frame feels loose or slips down the nose

Take the glasses to a local optician to have the temples and bridge gently adjusted to your specific face shape.

Small debris trapped between lens and frame

Use a blast of compressed air to remove dust; avoid using sharp tools that could scratch the frame material.

Pros and Cons

Pros

  • Timeless design inspired by the classic Wayfarer
  • Modern flat lens aesthetic offers a unique visual profile
  • Versatile unisex styling suitable for various outfits
  • Comfortable fit for all-day wear
  • High-quality construction from a reputable brand

Cons

  • Not optimized for high-intensity sports or extreme movement
  • Transparent finish may show fingerprints more easily than matte options
  • Square frame shape may not suit all face types equally
  • Limited to specific colorway and style variants

Setup, Compatibility & Care

The RB4391D is a ready-to-wear accessory that requires no assembly. To ensure longevity, always use the provided microfiber cloth to clean the lenses, as this prevents scratching from dust particles. When not in use, keep the sunglasses in a protective case to prevent bending or impact damage to the frame. Avoid placing the glasses face-down on hard surfaces to protect the integrity of the lens coating. If the hinges feel loose over time, seek assistance from an authorized optical professional for minor adjustments to the screw tension.

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