Hydrophobic Coating: Lens coating repels water, sweat and smudges; Low Density Polymer: Lightweight, buoyant frame floats in water and resists salt and chemicals; Floats in Water: Won't sink during your wildest, wettest adventures; Non-Reflective Lenses: Uniform lens tint for bright light conditions; Polarized Lenses: Reduced glare so your vision stays sharp and clear; Come with custom packaging and exclusive passport stickers