Photochromic Lenses Cat.2to4

(2 customer reviews)





Frame Material: TR90 Ultralight

Frame Color: Matt Black Green – Matt Black Grey

Lenses: Photochromic Lenses Cat 2to4

Included: Removable Soft Sponge, Removable Elastic Band, Hard Case

Fit: Men

Sport: Mountaineering, Hiking, Ski Mountaineering

Size: Frame Width:140mm; Height: 42mm – Temple Lenght: 130mm; Lens Base: 8

Product Overview



Mountaineering is a sport that is based on overcoming the difficulties that can be encountered when climbing a mountain. The climb can take place on rock, snow, ice or mixed routes, also using rock or ice climbing techniques in the most extreme sections.

Mountaineering is living nature, the silence of the peaks, the satisfaction of the unique landscape, the constant overcoming one’s limits.

Mountaineering glasses

Our mountaineering glasses play a fundamental role in all this and a perfect fit and the right technical characteristics allow us to concentrate solely on performance.

The OUTDOOR model guarantees protection from UV rays and a perfect vision thanks to the first quality anti-fog, anti-scratch, decentralized and optically perfect polycarbonate lenses.

The super light and elastic material of the frame is in TR90, a special composition of nylon and carbon fiber, which makes the mountaineering glasses with photochromic lenses 20% lighter than conventional materials and more robust to accidental impacts and pull-ups.

Technical features:

 The OUTDOOR Mountaineering model features 2-4 photochromic lenses with Anti-Fog treatment. Photochromic lenses are lenses that, when exposed to UV radiation or sunlight in general, start a reversible chemical reaction and darken. Once the light irradiation disappears, the lenses gradually return to the initial state of transparency.

The photochromic lenses 2-4 indicated for the practice of mountaineering and ski mountaineering differ from the common photochromic lenses because they start from category 2 and reach the category of protection at the moment of maximum exposure to UV-a and uv-b rays 4. The top-quality lenses of our Mountaineering Goggles will amaze you and make your every trip unforgettable, because living the mountain is our passion.

The difference between a photochromic lens 2-4 compared to a category 4 technical lens is the change in color of the lens according to your path. The very dark category 4 lens in areas of strong shade caused by a wall or a thick bush can sometimes be a limit. The photochromic lens adapts itself according to the UV intensity and remains clear in the shaded areas allowing the optimal vision of the path and of any obstacles present, while in the areas of light with strong radiation it automatically darkens to the achievement of the category 4. To allow your eyes the perfect vision even in the intense solar conditions typical of high mountains, particularly in glacier areas, offering you excellent comfort.


Equipped with an adjustable strap to allow our technical eyewear to adhere to the most difficult passages at best, and to prevent those annoying little slips forwards which decrease drastically in comfort. The nose pads in soft hypoallergenic rubber are adjustable and anti-slip to offer an excellent fit and adapt to any appearance of face, also considerably reducing the risk of slipping.

Hard case supplied to protect your glasses from scratches or breakage.

The DEMON mountaineering and ski mountaineering glasses are ideal for glacier excursions and in all high mountain activities where you are exposed to strong sun exposure but are also optimal for the normal trekking out at lower elevations.

No compromise, no waiver, maximum performance, in any conditions.

The sizes of the mountaineering glasses are:

Width: 140mm; Height: 42mm – Rod Length: 118mm; Base Lens: 8

The products are always sent in their original packaging. For some models the color or shape of the case may differ from that shown.

2 reviews for OUTDOOR

Photochromic Lenses Cat.2to4

  1. Andrea S.

    IT: Conoscevo già la qualità dei prodotti da qualche anno,ma sono rimasto stupito dalla velocità di consegna con acquisto on line. CONSIGLIATO

    EN: I already knew the quality of the products for some years, but I was amazed by the speed of delivery with online purchase. RECOMMENDED

  2. Riccardo R.

    IT: ottimo prodotto.OUTDOOR LENTI CATEGORIA 4 testato per piu’ di 7ore su ghiacciaio…nessun problema.

    EN: great product.OUTDOOR LENSES CATEGORY 4 tested for more than 7 hours on the glacier … no problem.

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