Rex Specs V2 is the latest version of Rex Specs' best-selling dog goggle. Over the years people at Rex Specs have tested, lived with, and beat the crap out of the original Rex Specs goggle. The V2 embodies all that they have learned. The updates boast improved fit, greater stability, increased field of view, lower profile design, better range of motion, and fresh style. The Rex Specs V2 Goggles are ready to keep your dog protected no matter where the adventure takes you. Each goggle comes with one clear lens and one smoke lens.