UV-Resistant Watersports Sunglasses that block harmful ultraviolet rays from the sun. These ultra lightweight floating UV-resistant watersports sunglasses are made to be seen. They also feature anti-scratch, anti-reflective and .75 MM tri acetate cellulose solid polarized lenses, which keeps your vision sharp in all kinds of weather. The hydrophobic coating repels water, so your eyesight will stay clear. They're also made from durable, impact-resistant material made to withstand wear and tear.