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Foldable sunglasses are handy for keeping in the car, a coat pocket or your hand luggage. However, a compact design can disappoint if the frame comes loose quickly, the lenses create distracting reflections or the fit is not right. If you only look at colour and price, you can easily overlook the features that determine how well they perform every day.
Keep an eye out for these three common pitfalls:
UV400 refers to filtering ultraviolet light up to 400 nanometres. Always check how this claim is supported in the product description. According to Beneunder’s own product information, various models block at least 99.8% or 99.9% of the stated UV radiation. This is a product specification from the brand, not an independent assessment.
Sunglasses with anti-reflective coating can also reduce reflections on the lens surface. This is particularly useful in bright daylight, when driving and during outdoor activities. According to Beneunder’s product information, the OAR coating on certain models is designed to reduce reflections. Your actual experience may depend on the angle of the light, viewing angle and maintenance.
Be aware of the difference between anti-reflection and polarisation. Polarised sunglasses are designed to reduce certain types of glare, such as reflections from wet roads or water. Polarisation does not automatically replace a clear UV specification.
TR90 is a thermoplastic material often used for TR90 sunglasses. In the product information provided, the material is described as lightweight, flexible and resistant to deformation. These are verifiable material properties stated in the product description, but they do not mean that the sunglasses are unbreakable.
With foldable sunglasses, the hinges deserve extra attention. Always fold the sunglasses gently in the indicated direction. A model with adjustable temples, soft nose pads or flexible hinges may offer a better fit for different face shapes. Also check whether a protective case is included or recommended; storing sunglasses loose with keys can cause scratches.
One-size-fits-all does not mean the same thing for everyone. Compare the following in particular:
For driving, a stable fit is important so that the sunglasses do not shift when you look over your shoulder. For cycling or running, a lightweight frame, good grip and polarised lenses can be useful. A fit-over model, such as sunglasses for glasses wearers, should be spacious enough for your regular glasses without pressing against the lenses.
Why this suits the profile: The classic Boston shape is suitable for everyday use, while the folding design makes them easy to take with you.
According to the product description, this model combines UV400 lenses with anti-reflection and a TR90 frame, so you do not have to choose based on appearance alone.
Adjustable temples and butterfly-shaped nose pads; weight according to the specification: 0.97 oz, approximately 27.5 grams.
Why this suits the profile: The cat-eye shape offers a fashionable look, while the fit features are designed for comfortable everyday wear over longer periods.
According to Beneunder’s own product information, this model has UV400 nylon lenses, OAR anti-reflection and five-point elastic hinges.
TR90 frame, air-cushion nose pads and soft temple tips; frame width according to the specification: 5.8 inch.
Why this suits the profile: This sports model is designed for cycling, running, driving and other outdoor activities where reducing glare may be desirable.
According to the product description, this model has polarised TAC lenses with a UV400 specification and a TR90 memory frame.
Aerodynamic shape, polarised lenses and a supplied EVA case with cleaning cloth and carry cord.
Why this suits the profile: The fit-over design is intended to be worn over regular glasses, for example when driving, walking or on holiday.
The product name and description explicitly mention a fit-over design and polarised lenses, so you do not have to guess whether there is enough room.
Designed to be worn over prescription glasses; plastic frame and polarised lens according to the product information.
We have compiled a complete, up-to-date list of products that fully meet these strict selection criteria and the applicable European safety regulations.
They can be, provided they fit securely and the lenses offer sufficient visibility. According to the product description, anti-reflection or polarisation may help reduce distracting reflections. However, check that the lens category and light transmission are suitable for the conditions. Do not wear sunglasses if they impair your vision in low-light situations.
Their lifespan depends on the hinges, how they are folded and how well they are maintained. Fold the sunglasses gently in the designated direction, touch the lenses as little as possible and store them in a case. A scratch-resistant coating can help limit everyday wear, but no lens is completely scratch-proof.
For this, choose fit-over sunglasses specifically. A standard foldable model may be too narrow or put pressure on your prescription glasses. Check the frame width, lens height and the available space around the nose. This helps prevent a compact design from becoming uncomfortable in practice.
