Like most Maui Jims these lightweight sunglasses are saltwater safe. The update aviator lenses are rimless which provide unobstructed views. The lenses have Maui Jim’s patented, color-infused lens technology that wipes out 99.9% of glare, 100% of harmful UV and boosts color via specially designed lens treatments. They provide sharper contrast and vibrant color. The frame of these sunglasses will compliment just about every facial shape. The sunglasses are held together with a stainless steel pin hinge that gives strength while still being lightweight. These sunglasses are stylish and practical, making them almost impossible to pass up.