Fuse Lenses for Costa Del Mar Cat Cay Plastic frame Plastic lens Non-polarized lenses Lens width: 62 millimeters Fuse Sapphire Mirrored Tinted Lenses. Green Metal Mirror Coating over a grey lens base. Neutral grey view. Grey tint gives true color perception. Non-polarized lenses. Completely block harmful UV rays, providing 100% UV protection Fuse Force scratch resistant hard coating Lens Category 3, Ideal for Bright Light Custom Made to easily interchange with your current sunglasses.