Category 1 to 3 photochromic lenses - full UV filter: adjust to the brightness
Wraparound design: protects the eyes from wind, objects and the elements.
Vented lenses: reduce fogging
Highly scratch-resistant polycarbonate lenses.
Large lenses: provide enhanced peripheral vision
Grips on the arm tips and the nose: prevents your glasses from slipping
Lightweight sunglasses: 30 g