Floating Bat 2 has wide arching temples blocking the sun and elements from all angles. The added benefit is that if dropped in the water, these sunglasses will float level on the surface for easy retrieval. Sunglass includes a removable head strap. Frame Color: Matt black with blue accent stripe on the temples Eye size: 66 Bridge size: 15 Temple length: 130 Fit guide: Average to large head with average to wide nose Lens Tints: Each lens tint has 99.9% polarization. All lenses have Solar Bat’s proprietary PNV optics. Amber (AP): Brown polarized tint for flat light to moderate light conditions. Light transmission 16% Mossback Mirrored (MPM): Green polarized tint with a flash mirror for high contrast vision in bright light conditions. Light transmission 13% Gray Mirrored (GPM): Gray polarized tint with a flash mirror for bright light conditions. Light transmission 13%