Specs

Frame size: 135mm (regular) 130mm (small)
Temple length: 125 mm
Weight: 26.5 gr (small) and 27.4 gr in (regular)

Interchangeable shields (included):
• Photochromic lenses: Category 0 to 3 (10% – 82% translucent). The lenses darken or lighten with changing lighting conditions.
• Dark mirror glasses: Category 3, reflective for the sun. (84% translucent).
• Transparent glasses: For winter or in the dark (100% translucent (anti-reflective)).

Photo Credit : Eltoromediadotcom