Joybuy Insights

How to choose sunglasses without regretting your purchase: find the right pair for you

Sunglasses may seem like a simple purchase, but the difference between a practical everyday pair and a disappointing buy often comes down to the details. A frame can start to pinch after a few hours, lenses can let through distracting reflections, and a folding hinge can be awkward if it doesn’t feel sturdy enough.

There are three common pitfalls to watch out for:

  • A dark lens isn’t automatically a UV-protective lens. Look for a clear specification such as UV400 and check the product information.
  • Polarisation and UV protection aren’t the same thing. Polarised sunglasses can reduce glare from water, glass and roads, but polarisation alone says nothing about the level of UV protection.
  • A trendy shape won’t necessarily suit your face or how you’ll use it. Oversized frames can provide welcome coverage from bright light, while cat-eye sunglasses are often chosen for their fit and style. Check the frame width, nose bridge and arm length.

Which specifications should you check?

1. UV400 and lens information

UV400 refers to protection against UV radiation with wavelengths of up to 400 nanometres. Manufacturers often use this specification for sunglasses that filter UV-A and UV-B radiation within that range. Check that UV400 is clearly stated in the product description or specifications.

Be wary of vague terms such as “extra dark”, “HD lens” or “summer protection”. These descriptions don’t provide complete information about UV protection. According to Beneunder’s own research, the lenses in several FD models block at least 99.8% to 99.9% of UV radiation. This is a claim made by the brand; use the product specifications as your guide and check the latest information on the product page.

2. Polarisation and glare

Polarised sunglasses are particularly useful for driving, cycling, walking by the water and holidays. The lenses can reduce distracting horizontal glare from surfaces such as wet roads or a lake. This can make it more comfortable to see, but whether they’re suitable for driving also depends on the lens tint, light transmission and any screens in your car.

Polarised lenses aren’t automatically photochromic. According to OutdoorMaster’s product description, photochromic sunglasses adjust their tint according to UV exposure, from category 0 to category 3. This can be useful in changing light, but always check that the lenses remain clear enough indoors, in the car or under a helmet.

3. Fit, weight and storage

At a minimum, check the following:

  • Frame width: a frame that’s too narrow may pinch at your temples, while one that’s too wide may slip.
  • Nose bridge: important if your glasses often slide down or feel heavy on your nose.
  • Arm length: check this when buying online, especially if you already own a pair that fits well.
  • Weight and material: TR90 is described in the specifications of several Beneunder models as a lightweight, flexible material.
  • Foldability: folding sunglasses take up less space, but pay extra attention to the hinges. Fold them according to the instructions and store them in a case.

If you wear prescription glasses, consider fitover sunglasses, designed to go over your everyday glasses. Measure the width and height of your regular glasses beforehand. Sunglasses that only partly cover them may feel uncomfortable and let light in at the sides.

Recommended models for different uses

Suitable for: Budget-conscious beginners
Beneunder FD315-CN303 cat-eye folding sunglasses

Beneunder FD315-CN303 Cat-Eye Foldable Sunglasses

Why it suits this profile: A practical choice for everyday wear, with a striking cat-eye shape and a folding design that fits in a bag or coat pocket.

How this product avoids the pitfalls

The product information specifies UV400 protection, an OAR anti-reflective coating and clear frame measurements. So you don’t have to judge it by colour or appearance alone.

Key benefits and features

TR90 frame, nylon lenses, air-cushion nose pads and a five-point elastic hinge, according to the product description.

Suitable for: Shoppers looking for premium quality
Beneunder Boston-style folding sunglasses FD01h

Beneunder Boston-Style Folding Sunglasses FD01h

Why it suits this profile: For anyone who values a classic Boston shape, adjustability and multiple lens coatings for everyday wear.

How this product avoids the pitfalls

The glasses combine a folding frame with three arm positions and adjustable nose pads, helping you fine-tune the fit.

Key benefits and features

According to the product specifications: UV400 nylon lenses, anti-reflective, oleophobic and scratch-resistant coatings, and a weight of approximately 27.5 grams.

Suitable for: Specific uses and intensive use
OutdoorMaster HawkSharp photochromic sports sunglasses

OutdoorMaster HawkSharp HD Photochromic Cycling Sport Sunglasses

Why it suits this profile: Designed for cyclists and sports enthusiasts who want a secure fit, low weight and lenses that adapt to changing light conditions.

How this product avoids the pitfalls

The product description mentions anti-slip gel, a TR90 memory frame and UV400 protection. The manufacturer also states that this model isn’t designed to protect against heavy impacts.

Key benefits and features

Category 0 to 3 photochromic HD lens, UV400 coating, replaceable nose pad and included EVA case, according to the product specifications.

Sunglasses for driving should do more than reduce glare. Make sure you can still see clearly in tunnels and overcast conditions. If you’re looking for sunglasses to wear over your regular glasses, consider the Xiaomi Polarized Fitover Sunglasses. According to the product description, this model is designed to fit over prescription glasses and has polarised lenses. Check the measurements of both pairs beforehand.

Tech enthusiasts may also want to consider Ray-Ban Meta glasses. According to the product information, the Ray-Ban Meta Wayfarer Gen1 has a 12 MP camera, open-ear speakers, Bluetooth 5.2, Wi-Fi and support for a Meta AI app. The stated battery life is up to four hours, with additional charges available from the charging case. If you use them in the Netherlands, also check privacy rules, consent for recordings and compatibility with your smartphone. Smart AI glasses also don’t automatically replace sunglasses with a verifiable UV400 specification.

Looking for more options?

We’ve put together a complete, up-to-date list of products that meet these strict selection criteria and the applicable European safety regulations.

Frequently asked questions about sunglasses

Is UV400 more important than a dark lens?

Yes. The UV400 specification gives you more specific information about the UV filter than a dark tint alone. A dark lens may feel comfortable, but always check the stated protection specification.

How long do sunglasses last?

It depends on the material, hinges, coatings and how you use them. Keep your sunglasses in a case, clean the lenses with a soft microfibre cloth and don’t place them lens-side down. Replace them if the lenses are clearly scratched or the frame no longer feels stable.

Can I drive in any polarised sunglasses?

Not always. Polarisation can reduce glare, but also check the lens tint, light transmission and how clearly you can see your dashboard or sat-nav screens. If in doubt, follow the product specifications and the manufacturer’s guidance.