High Mountain Sunglasses Category 4 Lenses MAKALU Model
Technical Characteristics and Materials:
The frame is in TR90, a special composition of Nylon and carbon fiber. This special material allows the frame of the MAKALU model to be 20% lighter than conventional materials, more robust in mechanical traction and accidental impacts, it also allows the non-deformability at high and low temperatures. Effectively increasing durability over time.
The category 4 lenses of the glacier glasses are made of top quality and optically perfect polycarbonate. Polycarbonate is the material that allows the lenses to be lighter and safer. In fact, in the event of an accidental impact, the polycarbonate unlike glass does not release small fragments that could damage the eye. In fact, polycarbonate is also used for protective glasses. The category 4 lens is a must for those who love the mountains. Using unsuitable lenses in the high mountains leads to a noticeable reddening of the eyes at the end of the day, and in some cases even tearing. With a forced stop of about 48 hours. Using suitable lenses category 4 not only protects 100% from UV rays, but with a darker base it allows you to relax your eyes and enjoy the path only.
The removable sweat sponge in soft neoprene is hypoallergenic, it prevents those annoying drops of sweat from reaching our eyes during periods of greatest fatigue. Moreover, it prevents the light from filtering laterally generating those annoying reflections. Furthermore, it does not effectively allow small leaves, dust, small dirt to come into contact with our eyes.
The elastic band is adjustable, it allows to increase the fit of the glasses and prevents those annoying micro-turns towards the tip of the nose that could happen in moments of great fatigue and sweating.
The sizes of the glacier glasses are: Width: 143mm; Height: 44mm- Rod Length: 118mm; Base Lens: 8