Will it fit my prescription glasses?

It is made for rectangular and squarish frames, and the clip grips the frame front. Fit varies with lens width and frame thickness, so very small or heavily curved frames may not hold well.

Are the lenses polarized?

Yes. The lenses are polarized TAC, which reduces glare from water, snow and pavement, and they block 100% of UVA and UVB.

How does the flip-up work?

The lens flips up on a hinge so you can read or see indoors without removing your glasses. Flip it back down for sun protection.

Does it work over progressive or bifocal lenses?

Yes. It sits in front of your existing lenses, so it works over single-vision, bifocal and progressive prescriptions alike.

Is it as good as prescription sunglasses?

It gives the same polarized, UV-blocking protection for less, but it is heavier and less streamlined than a dedicated pair of prescription sunglasses.