Sunglasses - The Nonchalant Circle

Men’s sunglasses with timeless design and quality construction for refined, summer and everyday outfits.

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Mineral Glass or Plastic Lenses? How to Choose Sunglasses

Mineral Glass or Plastic Lenses? How to Choose Sunglasses

Sunglasses differ in more than just frame shape and lens colour. The material of the lenses also plays an important role. Mineral glass offers different characteristics from modern plastic, also known as organic, lenses—from weight and durability to everyday care. We explain the differences and how to choose the right option.

Men’s sunglasses are both a functional element and a distinctive accessory that can influence the overall character of an outfit. When choosing a pair, it is important to consider not only the frame design, but also your face shape, wearing comfort, lens colour and proper eye protection. Below you will find answers to the most common questions to help you choose sunglasses for everyday wear, travel and more elegant summer combinations.

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Frequently Asked Questions

How to choose men’s sunglasses?
When choosing sunglasses, consider the shape and width of your face, the size of the frames, the comfort on the nose and behind the ears, and the style you will most often wear them with. The frames should not press, slip down or extend too far beyond the widest part of the face. Models with clean proportions and a timeless shape are usually the most versatile choice.
Which sunglasses suit my face shape?
A rounder face is usually complemented by more angular or structured frames, which add definition. A square face can work well with rounded or oval models. An oval face suits most classic shapes, while a narrower face requires more attention to frame width, as overly wide or heavy frames may appear disproportionate.
What protection should sunglass lenses provide?
Sunglasses should provide protection against both UVA and UVB rays. The UV400 label means that the lenses block ultraviolet radiation up to a wavelength of 400 nm. A darker lens tint does not automatically mean better protection, so it is important to check the specific protection details of each model.
What is the difference between polarised and regular sunglasses?
Polarised lenses help reduce glare from water, wet roads, glass and other reflective surfaces. They can therefore improve visual comfort when driving, travelling or spending time near water. Regular sunglass lenses with a quality UV filter protect the eyes from ultraviolet radiation, but they may not reduce glare to the same extent.
Which sunglass lens colour should I choose?
Grey lenses feel neutral and help preserve natural colour perception. Brown and amber tones can enhance contrast and pair well with classic acetate frames. Green lenses offer a traditional, refined appearance. The right lens colour depends on personal preference, lighting conditions and the intended way of wearing the sunglasses.
How to combine sunglasses with elegant clothing?
With a summer suit, linen shirt or knitted polo shirt, sunglasses with clean lines and balanced proportions usually work best. Tortoiseshell, brown or black acetate frames create a classic impression, while subtle metal frames feel lighter and less pronounced. The frame colour does not have to match other accessories exactly, but it should fit naturally within the overall colour palette of the outfit.
How to care for sunglasses properly?
Store your sunglasses in a hard case and clean the lenses with a soft microfibre cloth. Avoid dry cleaning when the lenses are heavily soiled, and do not use paper tissues, as they may leave fine scratches on the surface. Sunglasses should also not be left for long periods on a car dashboard or in other places exposed to high temperatures.
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