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TECHNOLOGY

Material

The core of ROUNDTEN is Flextal®, a registered material in a high-carbon, titanium enriched austenitic stainless-steel alloy that offers great resistance to impact, pressure and rust. In addition, as indicated by numerous studies, this material has a hygiene standard far superior to plastic and 100% hypoallergenic. Different from our competitors, our high-carbon material offers higher adaptability, less fitting problems, particularly after few months of usage.

Hinge system

There are quite a few innovative hinges in the market. However, based on our own tests, our competitors’ hinges tend to break under regular pressure, due to weaker materials used, or are complicated to operate, or are prone to malfunctioning given any small deformation. The balance between innovation and performance is not always right. All in all, ROUNDTEN hinge system guarantees an easy-to-work-with product, long-lasting comfort, improved aesthetics and perfect fitting over time.

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Polyamide lenses

All Roundten sunglasses are equipped with polyamide lenses. Why Polyamide? Because it’s characteristics make the lenses almost unbreakable. So simple and so overwhelming. Thus, the eyes are always protected from any unexpected situation.It is hard to break a Roundten. Very hard!

 

Another determining factor of the Polyamide is that they guarantee an extreme lightness, elasticity and a resistance against scratches never seen before. And they offer a high level of vision quality, infinitely superior to that offered by polycarbonate. So, the Polyamide is discovered as the best accomplice of Flextal. The complete formula of the materials that make a Roundten is not magical or secret like the Coca-Cola formula, but almost.

WHAT TREATMENTS ENSURE THE HIGH QUALITY AND PROTECTION OF ROUNDTEN LENSES?

HARD-COAT

It is the most modern and environmentally friendly technique that makes polyamide lenses more resistant to scratches.

ANTI-REFLEX FILTER

This is the filter that protects our eyes. All our lenses have them and thus the UV radiation that can enter the interior of the lens, and the light and reflections that come from behind, do not reach the eyes, preventing discomfort and risks.

H2O & OIL REPELLENT

Roundten lenses repel water and oil, avoiding water droplet marks and reducing finger traces, so unpleasant and common on most lenses. This also facilitates visibility and cleaning. All Roundten lenses incorporate this treatment inside and outside.

POLARIZED

All Roundten polarized films come from Japan and make an intrinsic part of the lens as they are introduced into the lenses in the polyamide injection process itself, not as an outer layer that can peel off. So, the polarization filter will last for the whole lifespan of the lenses; more than one life, surely.

PVD

As with lenses, Flextal and different types of filters and treatments, technology had to be a key part in deciding how color would be given to Roundten. We’ve investigated and tried out with different coloring processes and chose PVD (Physical Vapor Deposition), which offers a unique adhesion and resistance to usage. PVD is nearly impossible to scratch.


All Roundten products are colored with PVD. Even those designs that include small details in paint, this paint adheres to the PVD much more strongly than painting on metal. Another aspect that makes this technology a crucial factor is that, unlike traditional coatings such as chrome or galvanization, our process respects the environment.

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