Sunglasses are no longer just an accessory to protect your eyes. In 2026, they are an essential part of a look: they can make an outfit more elegant, bolder, more vintage or more modern in a few seconds.
But with so many shapes available—square, round, oversized, retro, polarized or rimless—it's not always easy to know which model to choose.
In this guide, discover how to choose your sunglasses according to your face shape, your style and how you intend to use them.
Why choose your sunglasses carefully?
A good pair of glasses should combine style, comfort, and protection.
Design is obviously important: glasses often become the statement piece of a look. But eye protection against the sun's rays also remains an essential criterion.
At Caterside Eyewear, our collections combine designs inspired by retro and contemporary trends with UV400 protection on many models.
👉 Discover our Caterside sunglasses collection and find the frame that matches your style.
1. Choosing your glasses according to your face shape
Face shape is one of the first criteria to consider.
However, there is no absolute rule: glasses are above all a matter of style and personality. Nevertheless, certain combinations can create a more harmonious visual balance.
Round face: prefer square or rectangular glasses
People with round faces may particularly appreciate frames with strong lines.
Square sunglasses, rectangular or slightly geometric, create a contrast with the curves of the face and give a more structured impression.
Thick frames and oversized designs can also add more character.
Discover: Caterside square and retro sunglasses.
Square face: try round or oval frames
A square face generally has a more defined jawline and more angular features.
Round, oval, or slightly rounded glasses can create an interesting contrast and visually soften the overall look.
Vintage models inspired by the 70s, 80s, or 90s are particularly suitable for those looking for an original style.
Oval face: almost all shapes are possible
The oval face is often considered versatile for choosing glasses.
Square, round, polygonal, oversized, or retro glasses: many shapes can work.
It's primarily an opportunity to choose a pair based on your personal style:
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Minimalist style: thin frame and sleek design
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Streetwear style: oversized glasses or thick frame
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Vintage style: round or square retro glasses
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Bold style: polygonal or geometric shapes
Heart-shaped face: seek balance
For a face that is wider at the forehead and narrower towards the chin, glasses with balanced shapes can be an excellent option.
Round, slightly oversized models or those with a thinner frame help create a natural visual balance.
2. Square sunglasses: a timeless choice
Square sunglasses are among the easiest models to integrate into different styles.
They can be discreet and elegant with a thin frame, or become a real statement piece with a thick, oversized frame.
Why are they so popular?
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They give structure to the face
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They easily match many clothing styles
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They come in classic, vintage, and modern versions
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They suit both a casual and a dressier look
At Caterside, square models hold an important place in the collection, with designs inspired by both retro and current trends.
👉 See Caterside square sunglasses.
3. The return of vintage sunglasses
Vintage style continues to strongly influence fashion in 2026.
Small retro glasses, thick frames, round shapes, and designs inspired by previous decades regularly reappear in collections and streetwear.
The advantage of vintage style is that it allows you to stand out from overly classic models.
A pair of retro glasses can transform a simple outfit of jeans and a t-shirt into a much more assertive look.
The most sought-after styles include:
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Retro round glasses
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Vintage square glasses
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Small frames inspired by the 90s
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Oversized glasses
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Thick frames
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Geometric designs
👉 Explore the retro and bold world of Caterside Eyewear.
4. Polarized glasses: what's the difference from classic glasses?
Polarized sunglasses are particularly useful when you are often exposed to surfaces that strongly reflect light.
Depending on the type of lenses, polarization can help reduce certain annoying glare, especially during certain outdoor activities.
They can be appreciated for:
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Driving
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Travel
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Holidays
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Seaside walks
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Certain outdoor activities
It is important to choose your glasses according to your actual use and to check the specific features indicated on the product sheet.
Caterside also offers several models of polarized sunglasses combining style and visual comfort.
5. Why is UV400 protection important?
When choosing sunglasses, style should not be the only criterion.
UV protection is also an important factor to check.
UV400 protection corresponds to filtration covering ultraviolet radiation up to 400 nanometers. Always check the characteristics indicated for the model you choose.
At Caterside, many models of sunglasses are offered with UV400 protection.
👉 Discover our selection of sunglasses with UV400 protection.
6. What frame color to choose?
The color of your glasses strongly influences your style.
Black glasses: the timeless choice
Black glasses are easy to wear and adapt to almost any outfit.
They make an excellent choice if you are looking for a versatile first pair.
Transparent frames: modern and original
Transparent frames offer a lighter, more contemporary style.
They can add an original touch without being as imposing as a thick black frame.
Colored frames: to assert your style
A colored frame allows the glasses to become the central element of an outfit.
It's a good option for those looking for a more creative and distinctive accessory.
7. How to find your own style?
The best way to choose your glasses is to try different shapes and go beyond your usual choices.
If you always wear classic glasses, you might be surprised by an oversized or retro frame.
Conversely, if you like very original designs, a minimalist square pair can become your daily model.
Simply ask yourself three questions:
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Does this pair match my style?
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Can I wear it with multiple outfits?
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Do I feel good when I wear them?
If the answer is yes, you've probably found a pair that suits you.
Caterside: find glasses that reflect your personality
Glasses are much more than just an accessory.
They can complete a look, draw attention to the face, and become a true personal signature.
Whether you're looking for square sunglasses, vintage models, retro punk glasses, an oversized frame, or polarized sunglasses, the main thing is to choose a model that matches your world.
At Caterside Eyewear, we offer unisex models designed for those who want to move beyond ordinary designs and assert their style.
Discover the Caterside collection now and find your next pair of sunglasses.
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