These are awesome but I've moved on to only wearing prescription glasses. Worn only a few times cycling and in mint shape. Great for sports or shooting.

Here's the description from Sierra:

http://www.sierratradingpost.com/hidefspex-venom-sunglasses-sport-wrap-interchangeable-ballistx-lenses~p~2963u/reviews/

Frame color is white. 75 bucks...