If you spend a lot of time on the water or on the slopes, Hawaiian Lenses Kona with glare reduction is your must-have item. The strong yet soft and flexible bio-resin based TR90 frames wrap with rectangular full coverage. Our grey polarized bifocal lenses make them a favorite of fishermen and boaters alike. Hawaiian Lenses offer UV400 protection and meet all FDA standards. Konas are available in 1.50, 2.00, 2.50 and 3.00 magnifications. New Matte black models have hinge-stops for longer life. Original shiny black is only available at 2.00.