Persol PO3165S sunglasses afford a daring take on a retro silhouette with classic detailing for the man looking for a sophisticated edge Building a rich fashion legacy for almost 100 years, Persol sunglasses eloquently merge a contemporary sensibility with refined luxury Hand-crafted in durable Acetate with metal arms, these full rim frames deliver exceptional performance and finish Featuring nose pads topped by silicone and plastic temple socks, these glasses enhance wearability Boldly patterned fronts in a choice of colors and sleek temples sporting the signature Persol dart detailing Per manufacturer's restrictions, we are unable to ship Persol products to AustraliaThese sunglasses are available with polarized lenses on certain colors. Polarized lenses have a filter within the lens that blocks the wavelengths of light that cause glare. They can greatly enhance contrast and allow for greater depth of vision, especially in water. They are ideal for any situation where glare reduction is necessary, like driving or playing sports.The sunglasses are available on certain colors with gradient tinted lenses - Gradient tints are tints that start off at a darker color at the top of a lens and then gradually lighten towards the bottom of the lenses. These tints are great for fashion and for reading outside on sunny days. Gradient coatings work by allowing an appropriate amount of light to filter through in certain areas and less in places where protection is most necessary.