Costa Loreto sunglasses are a chilled out pair of shades that were inspired by the small town lying on the Sea of Cortez. These Costa aviators are versatile enough to fit any adventure, on or off shore. They have a comfy medium fit, integral hinges, and a corrosion resistant Monel frame. Costa's 580 lenses will protect from UV rays and are polarized for optimal vision on the sunniest of days. Did we mention they can be customized to your prescription needs. Order yours from a friendly SportRx optician and we'll get to work on your Costa Loreto prescription sunglasses.