The Maui Jim Night Dive Polarized Sunglasses is a sporty shield featuring thin injected nylon temples and adjustable nose pads, adding extra support and comfort for performance and active lifestyles.Scratch and impact-resistant polycarbonate lenses are injection molded for crisp optics. Your lightest choice for long days in the sun. Patented lens treatments infuse your view with vivid color. CLEARSHELL? proprietary, silicone-based hard coat on the front and back of the lense protects the lenses, adds durability and is optically correct. PolarizedPlus2? patented, color-infused lens technology wipes out 99.9% of glare, 100% harmful UV and boosts color via specially designed lens treatments for clearer view with crisper contrast and amazing brilliance. Lightweight rimless shield with thin injected nylon temples. Rimless frame shape has full shield coverage for excellent protection from the sun. Saddle-style bridge with adjustable nose pads for added comfort. Traditional pin hinge. Neutral grey lens is perfect for especially bright, direct sunlight. Offers rich color and contrast along with the highest available light reduction, unlike ordinary grey lenses that flatten light evenly across the spectrum. HCL Bronze lens is a great pick for everyday variable conditions, from full sun to overcast. Provides excellent contrast. Great if you love a warm, subtle bronze tint.