Spy HSX Sunglasses - Black Matte / Grey

What is Grilamid? Grilamid is a nylon characterized by an extremely high bending strength, low density and a resistance to UV damage. So the frames are shatter-resistant, lightweight and durable.

What is Scoop venting? It's the hole toward the front of the temple that eliminates lens fog by promoting airflow behind the lens.

What is Hytrel rubber? It's a rubber that increases in tackiness when introduced to moisture. So when you're sweating, the Hytrel rubber keeps your shades firmly in place.

What is an 8 x 4 Base lens? A lens' Base refers to the amount of arc in the lens and therefore the arc in the frame. A 6-Base is a more flat, square shape creating a more scholarly look. A larger base like a 9-Base is more wrapped and therefore will appear more suited for active endeavors. In 8 x 4 the 8 refers to the horizontal arc and the 4 refers to the vertical wrap.

What is a Toric Lens? The horizontal and vertical Base curves are different.

Any warranty? Yep. Spy provides a one year warranty from the date of purchase to replace any product or portion thereof which is deemed a manufacturer's defect.