Are the lenses polarized?

Yes. The Sungear Merlin uses polarized lenses, which cut glare from water, sand and car windshields. That helps on bright days but can dim some LCD screens.

Will they work with a golf rangefinder or GPS watch?

Usually yes, but polarized lenses can make some LCD and OLED displays look darker or show rainbow patterns at certain angles. Tilt the device or lift the glasses if the readout is hard to see.

Do they block UV rays?

Yes. They are listed with UV protection, so they shield your eyes during long rounds. UV protection is separate from polarization, and both are present here.

What is the frame shape and color?

The frame is rectangular in a gray color. The shape gives a sporty look and a wider field of view, which suits golf and other outdoor sports.

Are they good for everyday wear, not just golf?

They work for driving and casual outdoor use, but the sporty rectangular frame and golf-oriented lens tint are aimed at the course. For dressier everyday wear, a neutral fashion sunglass fits better.

Do they come with a case?

Packaging varies by seller, so check the box contents before buying. A hard case is worth having to protect polarized lenses from scratches in a golf bag.