USD 
Canadian
Shape: Modified Pilot frame complements a range of facial shapes
Bridge: Fixed saddle-style design with non-slip, rubber nose pads for comfort
Fit: (eye) 62, (bridge) 12, (temple) 127, 8-base curve
Finish: Smooth and high-gloss as a result of being tumbled in teakwood and bamboo
Material: High-grade nylon, which proves to be lightweight and extremely durable
Hinge: Anti-corrosive stainless steel pin hinge offers lightweight strength
Neutral Grey:
bright, direct sunPerfect for especially bright, direct sunlight. Offers rich color and contrast along with the highest available light reduction, unlike ordinary grey lenses that flatten light evenly across the spectrum.