FUSE Glacier Mirror Tinted Lenses for Costa Del Mar Hammerhead plastic frame interchangeable lens Non-polarized lenses Lens width: 65 millimeters Lens height: 39 millimeters Fuse Glacier Mirrored Tinted Lenses. Bright Blue Metal Mirror Coating over a grey lens base with a warm grey view. Grey tint gives true color perception. Non-polarized lenses Completely block harmful UV rays, providing 100% UVA/UVB protection Fuse Force scratch resistant hard coating Light Transmission 13% Custom Made to easily interchange with your current sunglasses.