Polycarbonate and CR39 lenses available.
\nSingle vision and progressive lenses on optical insert only
\nSize - Spectacles version: 74/20
\nSize - Insert: 45/28
\n

\n
PRODUCT PROS
\n

\n 
Built-in lens insert adjustable to eyesight
\n 
Foam with indirect vented and retainer strap for better protection
\n 
Model lenses with PLATINUM� coating
\n
\n