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Polarized or non-polarized lenses

Choosing the right lens for sports eyewear is a technical consideration where functional safety always takes precedence over aesthetics. At Sundayshades, we design our eyewear with the specific needs of the athlete in mind. One of the most frequently asked questions is why our high-performance sports models are often deliberately not equipped with polarized lenses.

Below, we explain why this is a technical choice and when polarization does offer added value.

The science behind depth perception and sports

Polarized lenses are excellent at eliminating horizontal glare (such as the reflection of the sun on a wet road surface or water). However, this filter has a side effect that can be detrimental in explosive or technical sports: it flattens the contrast and visual feedback from the terrain.

1. Perception of depth and texture

When cycling at high speed, running on unpaved trails, or playing a ball sport, your brain is constantly processing small shadows and light reflections. These reflections tell you where a pothole is, how deep a rut is, or how the texture of the ground changes.

Without polarization: You see the natural variations in light incidence, allowing depth differences (such as roots, stones, or unevenness) to remain immediately recognizable.

With polarization: The image becomes "calmer" but also "flatter". This makes it harder to quickly estimate depth differences, increasing the risk of missteps or steering errors.

2. Reading digital screens

Many athletes use bike computers, sports watches, or navigation systems. The filter in polarized lenses can interfere with the LCD screens of these devices, making the screen appear black or showing a rainbow effect at certain angles. In our true sports models, we prevent this problem by opting for high-quality, non-polarized lenses with optimal contrast.

Why some models are polarized

Does this mean polarization is always bad? Absolutely not. We do apply it in our lifestyle-oriented collections and specific water sports models.

Situation	Why polarized?
Water sports & Fishing	The filter "sees through" the glare of the water surface, which is essential for underwater visibility.
Driving	It reduces tiring glare on the dashboard and road.
Casual use	It provides a calmer view and maximum visual comfort during a walk or on a terrace.

Compare our models

Which glasses suit you best? Here you'll find the most information about our models and lenses


Serie	Classic	Surge	Tempo	Coast	Cockpit	Flare
Gepolariseerd	Ja	Ja	Ja	Ja	Ja	Ja
Gewicht	23 gram	20 gram	22 gram	26 gram	22 gram	24 gram
Lensbreedte	53 mm	52.8 mm	60 mm	55 mm	57.7 mm	55.5 mm
Lenshoogte	42 mm	46.5 mm	43.5 mm	47 mm	51 mm	49 mm
Diepte	145 mm	139 mm	145 mm	143 mm	143 mm	147.7 mm
Breedte	142 mm	142.5 mm	138 mm	147 mm	143.5 mm	135.5 mm


Serie	Blaze	Pace	Max	Volt
Gepolariseerd	Nee	Nee	Nee	Nee
Anti-reflectie	Ja	Ja	Ja	Ja
Gewicht	32 gram	28 gram	36.6 gram	25 gram
Frame	Half frame	Full frame	Full frame	No frame
Lenshoogte	55 mm	60 mm	50 mm	58 mm
Diepte	133 mm	132 mm	122 mm	133 mm
Breedte	145 mm	144 mm	145 mm	150 mm