UV Protection - Keep your eyes as protected as possible from the damaging rays from the sun Polarized Lenses - You can see through water glare much better. Soft Frame - For the best in comfort. Mirrored Lenses - Great glare reduction, especially in open water. Style - wide variety of colors and designs that can suit any person. Anti-Fog Coating - Can help to keep your vision as clear as possible.The silicone seal will provide a comfortable and effective barrier keeping water out while you enjoy your swim.