Wear the Permit by Costa Del Mar to your outdoor escapades as this polarized eyewear is designed for those who do not compromise when it comes to style. Constructed by the eponymous American eyewear manufacturer, these Costa Del Mar sunglasses features a special 580G glass lenses, which provide 100 percent polarization and protects your eyes against the harmful UV rays of the sun. Furthermore, thanks to its cold-injected nylon and Hydrolite frames, this polarized eyewear resists sweat for a better grip on your face. Plus, its beveled slots on each side of the frame prevent these Costa Del Mar sunglasses from fogging up, thus enhancing clarity of vision. Measuring 60 mm in size, the Permit by Costa Del Mar is specially designed to suit the contours of your face. What’s more, thanks to its integral stainless steel hinges, these Costa Del Mar sunglasses are extremely lightweight and comfortable to wear.