The Maui Jim Turtle Bay Sunglasses are lightweight, polarized, and have rubber nose gripsideal for you multi-sport life. These sporty shades have polycarbonate lenses which are lightweight, comfortable, and impact-resistant. The Turtle Bay Sunglasses also have PolarizedPlus2 Technology, which eliminates all glare so you can see squint-free all day. If you head off for a sweaty run, the rubber nose grips will keep these sunglasses in place. Maui Jim gave these multi-sport sunglasses a Grilamid frame that bends, which ensures you wont break these sunglasses if you happen to drop them.