Sun protection
Category 3+2+1+0 lenses - full UV filter - for different levels of brightness
Anti-fogging
Vented lenses: reduce fogging.
Robustness
High-durability polycarbonate lenses
Field of vision
Large lenses: provide enhanced peripheral vision.
Coverage
Wraparound design: protects the eyes from wind, splashes and bad weather.
Stability
Grip at the tip of the arm and nose bridge: prevents sunglasses from slipping.
Adjustable
Adjustable nose pads: adjust to the size of the nose.
Lightweight
Lightweight sunglasses: 26 g.