The Maui Jim Offshore Sunglasses were made specifically for off shore fishing. Theyll protect your eyes from the glaring sun, and they offer maximum visibility. Maui Jim made the Offshores frames with super durable Grilamid, which can handle the impact if you hit the deck when you encounter a big wave. Polarized technology ensures you see glare-free all daya huge advantage out on the water. Maui Jim also gave these fishing sunglasses a unique side window to give you the most amount of protected visibility possible.