Category 0 lenses - 100% UV protection: ideal in cloudy weather or at night.
Frameless glasses: promotes ventilation
Polycarbonate lens: impact resistant.
Field of vision
Large lenses: provide enhanced peripheral vision.
Wraparound design: protects the eyes from wind, splashes and bad weather.
Grip at the tip of the arm: keeps the sunglasses from slipping.
Lightweight cycling sunglasses: 24g.