These premium sunglasses provide an incredibly clear view whether you're on a bonefish flat or lounging at the beach. Fit large to extra-large faces best. Advanced 580G glass lenses offer the best clarity, scratch resistance and color accuracy. Frames are made from heavy-duty TR-90 nylon. Flexible hinges allow a great fit. They block blue and yellow light to enhance color and eliminate haze. Hydrolite lining keeps the frames firmly in place even in hot, humid conditions. 100% UV protection. 100% polarization blocks glare and reduces eye strain. Hard case included. USA, components imported.