Mueller No Glare clip on sunglasses are great for any outdoor activity. Available from Alert Services in Black Ice and in Polarized Smoke. Black Ice-Its subtle smoke like apperance offers 100% UV A/B protection from the sun without compromising sight during low light conditions. Exceeds ANSI-Z87.1 Standards. Polarized Smoke-The polarized lennses were created for the person with an appetite for water sports. When the glare from the water is an issue, it is not a problem for these glassed. "Letting you see what others don't."