The slim. The Alpina Lyron S is made for narrow face shapes. The modern full frame design of the glasses provides excellent protection for the eyes during sport. The mirrored lenses of the Alpina Lyron S not only look cool, they also reflect infra-red rays and so reduce strain on the eyes. The break-resistant ceramic material of the lens also offers 100% UV protection and a tint, with protection level cat. 3. Malleable nose pads, as well as temples with a soft insert, ensure the best possible comfort. Meanwhile, a high-quality folding mechanism keeps the strap in its position.
100% UV protection
The reflective surface reflects infrared rays
The ceramic material lenses are break-proof and offer 100% protection
Clear, undistorted vision thanks to decentred lenses
Visible Light Transmission (VLT)
This is the measure of how much light your sunglass lens lets through to your eye and can be expressed as a percentage, therefore a VLT of 1% means very dark glasses indeed, and a VLT of 100% means all the light is getting through and the lens is therefore a 'clear lens'.
Rather than quote a percentage for each lens they are categorised as follows: