Spy Dirty Mo Sunglasses - White / Grey

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.