Bolle Cobra Hybrid Foam and Strap Safety Glasses ClearBoll Cobra Hybrid Foam and Strap Safety Glasses with a clear lens, provides essential eye protection while indoors or outdoors, offering 90% light transmission, 180 degree vision, scratch resistance and fog resistance for optimal optic performance. The elastic strap keeps glasses securely in place during high activity and allows integration with comms gear. These versatile hybrid glasses can easily be converted to conventional safety glasses with