USD 
Canadian
Shape: Angular rectangular design. Best fits large faces with round or oval shapes
Bridge: Adjustable bridge with non-slip Rabalon nosepads for added comfort
Fit: (eye) 71, (bridge) 17, (temple) 116, 8-base curve
Finishing Treatment: High-gloss or matte finish
Material: High-grade grilamid frame is lightweight and durable
Hinge: Anti-corrosive 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.