USD 
Canadian
Shape: Semi-rimless sport design. Best fits medium or large faces with round, oval or heart/triangle shapes
Bridge: Saddle-style bridge with adjustable nosepads
Fit: (eye) 63, (bridge) 16, (temple) 116, 8-base curve
Finishing Treatment: High-gloss or matte finish
Material: Grilamid frame that is lightweight and tough
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.