- Includes 3 interchangeable lenses (Night, Day, Smoke)
- Anti reflection coating
- Driving lens
- Ultra-light weight (21g)
D326 Bertoni Italy sport sunglasses is made by TR90LX, stress-resistant and impact-resistant, extremely light. These characteristics are due to the chemical composition of this material unique in its kind, 70% Nylon 30% Carbon. It is 20% lighter than conventional nylons and offers greater resistance to shock and traction. It offers a greater resistance to high temperatures without deformation. Due to its flexibility and strength the TR90LX is the safest material for sportive use in optical, in fact, the resistance of the head frame of accidental collisions has demonstrated a strong structural integrity. This special material also ensures an exponential increase of the frame duration in the time. All the 3 included lenses are in anticrash polycarbonate , highly resistant to impacts and extremely light in weight.