USD 
Canadian
Shape: Modified, rectangular frame complements a range of facial shapes
Bridge: Fixed saddle-style design with rubber nose pads
Fit: (eye) 58, (bridge) 16, (temple) 135, 6-base curve
Finishing Treatment: High-gloss finish
Material: High-grade injected nylon, lightweight and tough with superior fit and comfort
Hinge: Anti-corrosive spring that provides flexibility offering a secure, comfortable fit for various face shapes and sizes
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.