How to Choose Women’s Sunglasses: Fit, Lenses and Frame Shape

Start with UV protection

The U.S. Food and Drug Administration advises choosing sunglasses labelled UV400 or 100% UV protection, which block more than 99% of UVA and UVB radiation. ^[1] The National Eye Institute gives the same label advice. ^[2] A fashionable shape, a dark tint or a high price does not replace the label: the FDA notes that a dark tint does not indicate UV protection and that pricier sunglasses do not ensure greater UV protection. ^[1]

Fit and coverage

Compare lens width, bridge width and temple length, in millimetres, with a pair that fits you; they are usually printed inside a temple arm. Sizing for women’s frames is not standardised, and some frames sold as women’s or men’s fit either. Our guide to frame measurements explains how to read the numbers. (How to read frame measurements)

Oversized frames cover more of the face, and the FDA notes that large, wraparound frames may give more UV protection because they cover the entire eye area. ^[1] Very small frames leave more of the eye area open. The National Eye Institute adds that a snug fit limits light entering from the sides. ^[2]

Common shapes

Shape names describe style, not performance. Seeing a frame on your own face is the best test, so use a virtual or home try-on if the seller offers one.

• Cat-eye: upswept outer corners. Our cat-eye guide covers sizes and fit. (Cat-eye sunglasses buying guide)
• Oversized: large lenses that cover more of the face.
• Round: circular lenses, often in thin metal or thin plastic.
• Square and rectangular: straight lines and defined corners.
• Aviator: thin metal frames with large, rounded lenses.
• Butterfly and geometric: wide, angular or multi-sided shapes.

Lens colour, gradient and polarisation

Lens colours and gradients change how a scene looks, and listings often say which light a tint suits; treat that as the seller’s description. Polarised lenses reduce some reflected glare, for example from water or snow, ^[2] and some people find that they change how certain screens look. Polarisation is separate from UV protection. Our guide to polarised and non-polarised sunglasses explains the trade-offs. (Polarised vs non-polarised sunglasses)

Materials, nose pads and comfort

Plastic frames come in many colours and finishes and keep their shape; metal frames are often lighter and usually have adjustable nose pads. If you are sensitive to a particular metal, check which parts of the frame are metal. A frame that feels heavy or slips on your nose is usually a fit problem rather than a material problem, so compare the bridge and temple numbers too.

Seller and return terms

Look for the model number and colour code in the listing, the return window and who pays for postage. Listings can change, so confirm the exact item on the seller’s current page. The product profiles on PowderedPurple show retailer-recorded details and are not an independent check.

A short checklist before you buy

• UV400 or 100% UVA and UVB is stated in words.
• Lens width, bridge width and temple length match a pair that fits you.
• You know whether the lenses are polarised and whether you want that.
• The model number, colour code and return terms are shown.

Where to look next

Browse the matching category: women’s sunglasses.

• How to read frame measurements
• Cat-eye sunglasses buying guide
• Polarised vs non-polarised sunglasses
• Designer sunglasses