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Frame Material: TR90 Ultralight
Frame Color: Matt Black Red
Lenses: Category 4 Smoke Mirror Lenses
Included: Removable Elastic Band, Hard Case
Sport: Mountaineering, Hiking, Ski Mountaineering
Size: Frame Width: 140mm; Height: 42mm – Temple Lenght: 122mm; Lens Base: 8
Mountaineering sunglasses with Category 4 Lenses NATURE Model
Nature is the innovative mountain and glacier eyewear created by Demon. Its wrap–around shape provides greater protection from light and air. Category 4 lenses are designed to offer maximum eye protection for athletes heading to high mountains and glaciers.
Technical and Material Features:
The frame is made of TR90, a special composition of Nylon and carbon fiber. This particular material makes the NATURE model up to 20% lighter than conventional materials, more resistant to mechanical stress and accidental shocks, and also ensures its shape–retention at high and low temperatures, extending its life. This special composition has been specially designed to withstand the low temperatures typical of high mountains, since the choice of materials is fundamental in extreme routes.
The category 4 lenses of the NATURE high–mountain eyewear are made of first–quality polycarbonate and are impeccable optically. Polycarbonate is the material that makes the lenses lighter and safer. In fact, in the event of an unexpected impact, polycarbonate, unlike glass, does not detach pieces that could injure the eye.
Indeed, polycarbonate is also used for safety glasses. Class 4 lenses are essential for those who have fun at high altitudes. Wearing unsuitable lenses in the mountains can lead to considerable inflammation of the eyes and, in some cases, even tearfulness. Which could force one to stop for around 48 hours.
Wearing suitable category 4 sunglasses not only protects from ultraviolet rays, but with a more intense tint it provides the best relief for the eyes and makes it possible to fully appreciate the journey. The elastic is adjustable, and increases the fit of the glasses, preventing them from slipping down the end of the nose in situations where you are sweating heavily.
The dimensions of the NATURE eyeglass with category 4 lenses are: Width: 140mm; Height: 50mm – Temple Length: 134mm; Lens Base: 8
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