FEATURES of the Maui Jim Kula Polarized Sunglasses Perfect for: Lounging on the beach or everyday wear - lens treatments and frames are saltwater safe Design: Bold, trendy shield provides generous side coverage for protection against the elements and a rimless frame for an unobstructed view Shape: Modified rectangular wrap complements a range of facial shapes Material: Monel metal, an extremely strong, corrosion-resistant alloy Stainless steel temples for added strength Finishing Treatment: Gloss finish with skull temple structure. Temples contain injected nylon for striped look Hinge: Anti-corrosive spring hinge gently and securely hugs the head for comfort and long-lasting fit Bridge: Saddle-style with adjustable, non-slip silicone nose pads for comfort