USD 
Canadian
Shape: Modified rectangle, rimless frame shape. Best fits medium faces with round, oval or oblong shapes
Bridge: Saddle-style fixed bridge with rubber nosepads
Fit: (eye) 63, (bridge) 13, (temple) 127, 8-base curve
Finishing Treatment: High-gloss finish
Material: High-grade nylon frame is lightweight and durable
Hinge: Traditional pin hinge
Maui HT ™:
Full sun to overcastHigh Transmission lenses work hard when distance counts. With the highest usable light transmission, HT technology balances contrast and depth of field for crisper details during varying conditions.