MOUNTAIN GLASSES WITH CATEGORY 4 LENSES

The excursionone in the high mountains and on the glacier it represents complete detachment from the city and immersionone total in nature. Mountaineers, hikers and mountain lovers are constantly looking for technical materials that help them climb the summit and make each excursion uniqueone.
Protecting your eyes adequately is as fundamental as the choice of shoe or shell, in fact in the mountains and high mountains the UV and sunlight are much more intense because they are less shielded by the smog of the city and because the altitude plays a fundamental role.

Using mountain glasses with category 4 smoke lenses is the solutionone optimal for those who plan their own excursionsone at high altitudes, glacier and days with very strong light conditions.
The category 4 lens is particularly suitable for hikers who particularly suffer from the strong light typical of the mountains. This specialand lens (darker than category 3) allows you to keep the eye relaxed for the entire duration of the excursionone even with prohibitive light conditions.

Mountain glasses with category 4 lenses are commonly used for extreme expeditions such as: Everest, K2 and peaks above 4000. Due to the type and darkness of the lens these particular glasses serve to avoid constant dazzling of the eyes with very strong light conditions and given the high altitude, the reflection of the snow diverges the rays of light upwards.

The category 4 mountain lens can also be used for excursions at lower altitudes as protectionone additional for the eyes. They allow a greater sense of relaxation for the eye than the use of category 3 lenses specialmind for very prolonged use.

Technical characteristics of mountain glasses with category 4 lenses:

• Prosthesisone with light and perfect facesone of the route: Category 4 mountain lenses created for mountaineering are now used for hiking at lower altitudes because they are very restful for the eye even in strong light conditions typical of the mountains. The lenses are equipped with anti-fog treatment. The category 4 mountain lens is particularly suitable for all mountaineers who suffer from very strong light, which often makes vision difficult.one of the route. Choose this one specialand lens is equivalent to a guarantee to be able to enjoy your excursions to the fullestone.

• Unbreakable lens: All mountain glasses with category 4 lenses are built with anti-break polycarbonate lenses. In fact, from a safety point of view, polycarbonate is the most id materialoneor for constructionone of technical lenses for the mountains. In fact, in the event of an accidental impact, the lens does not generate fragments that could damage the eye but distribute the shock over the entire surface of the lens, forming a spider web visual effect that invalidates the lens.

• Ultralight frames: All mountain goggle frames with category 4 lenses are in TR90, one specialand compositionsone of Nylon and Carbon fiber which make the glasses 20% lighter than the use of conventional materials, more resistant to high and low temperatures, and more resistant to impacts and mechanical traction. The TR90 is a compositeone hypoallergenic, therefore it can be used for a long time without irritating the skin. The rubberized parts are made of soft Megol which is also hypoallergenic which not only improves comfort but has Grip technology which increases the stability of the glasses on the face.

• Technologies: Some models of mountain glasses with category 4 lenses are equipped with specific technologies that improve their performance performance. It is important to carefully choose the model based on your needs in order to make the most of the technologies availableone:

The models OUTDOOR, MAKALU e COLORADO they are equipped with a sweat sponge, it is made of soft hypoallergenic material. It serves to prevent light from filtering laterally, to prevent dust, insects and leaves from coming into contact with the eyes. And it offers protectionone from the cold if used at low temperatures.
All 3 models are equipped with a removable elastic cord, to increase the grip of the glasses on the face. Model COLORADO it also has removable temples, in fact it is possible to use the elastic by anchoring it directly to the frame, providing a greater grip and comfort effect than the other two models.



All items are delivered in a hard case for added protectionone of the glasses when they are placed in the backpack.

For those who wear eyeglasses?

The model was created for those who wear prescription glasses and are looking for mountain glasses with category 4 lenses OPTO OUTDOOR RX with clip internal eyeglass in which to apply graduated lenses. The advantage of using technical glasses for the mountains with the combination of prescription lenses.

For more information on the OPTO model OUTDOOR RX click here: