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The Maui Jim Dawn Patrol Polarized Sunglasses feature retro aviator styling, but are forward thinking, combining a classic look with the leading color-infused, glare-fighting technology. Dawn Patrol means being up with the sun and first on the water. Just as aviators are known for dawn patrols, so are paddleboarders. PolarizedPlus2 Technology All Maui Jim sunglasses block glare and UV from all angles, manage blue light, and then boost colors for unmatched color, clarity, and contrast.SuperThin (ST) Glass for general wear the ST glass is 20% thinner and lighter than conventional glass giving you superior optics, durability, and scratch resistance without the weight. Three rare earth elements boost colors resulting in clarity, comfort, and glare protection. High-Grade Nylon Frame is lightweight and tough. It provides superior fit and comfortAnti corrosive Nickel/Silver Spring Hinge gently hugs the head for superior fit and comfort.Built-in Nose Pads are non-slip so your glasses stay in place.Flawless FinishesSaltwater Effectiveness ? lens treatments and frames are saltwater safe.Case and Cleaning Cloth is included with all Maui Jim sunglasses.