A Practical Guide to Buying Sunglasses

A good pair should feel comfortable, suit how you spend time outdoors, and clearly state its UV protection. Start with the label and fit; color, branding and price come later.

WSDK Style Guide · Published October 28, 2026 · 4 minute read

Start with the UV label

Look for a clear label that says “UV400” or “100% UV protection.” The FDA says sunglasses with either label block more than 99% of UVA and UVB radiation. If a label is missing or unclear, ask the seller or an eye-care professional instead of trying to judge protection by appearance.

Dark lenses are not automatically safer than light ones. Tint affects visible brightness, but it does not tell you how much ultraviolet radiation a lens blocks. A modestly tinted pair with a clear UV protection label is a more sensible choice than a very dark pair with no stated UV rating.

Choose a frame that suits the day

Frames should sit securely without pinching or sliding when you move your head. Larger lenses and wraparound styles can reduce the amount of light entering around the sides. For commuting or a compact daily pair, prioritize a comfortable fit and a UV label; for time on water, snow or other reflective surfaces, more coverage can be useful.

Price and designer branding don’t guarantee stronger UV protection. Check the protection label first, then compare comfort, durability, prescription availability and the activities you actually do. If you wear prescription glasses or contact lenses, an optical professional can help you find a compatible option.

Polarized is about glare

Polarized lenses reduce reflected glare from surfaces such as water and roads, which can make them appealing for driving in daylight, fishing or boating. Polarization and UV protection are separate features. A lens can be polarized without blocking UV, so look for the UV400 or 100% UV label as well.

Choose polarization for the glare reduction you want, not as a substitute for the UV rating. Some displays can be harder to read through polarized lenses, so check your phone or vehicle display while trying on a pair if you rely on them often.

Care and limits

Clean lenses with a soft cloth and a cleaner intended for eyewear, and keep the glasses in a case when not in use to reduce scratches. Scratched or damaged lenses can make vision less comfortable; ask an optical professional whether they can be repaired or should be replaced. Sunglasses are for ordinary bright outdoor conditions. Specialized activities and intense light sources may require dedicated protective eyewear; ask a qualified eye-care professional what is appropriate.

For more everyday style basics, see WSDK’s men’s wardrobe guide and watch fit and care guide.

References

• U.S. Food and Drug Administration: Tips to Stay Safe in the Sun—Sunglasses and UV Protection
• American Academy of Ophthalmology: How to Choose the Best Sunglasses to Avoid Sun Damage
• American Academy of Ophthalmology: What Are Polarized Lenses?

This guide is general shopping information, not medical advice. Ask an eye-care professional about prescription needs, eye conditions or specialized protection.