Are the Callaway Atlas lenses polarized?

Yes. The Atlas uses polarized lenses, which cut glare reflected off fairways, water and roads. That is the main reason golfers pick it over a plain tinted pair.

Do they block UV rays?

Yes, they carry UV protection. That matters for long rounds and for everyday wear in strong sun.

Will they fit under a golf hat?

Usually yes, since the frame is slim at the temples. The wrap shape can feel snug under a tight cap, so try them with your usual hat.

Are they good for running or cycling too?

They work for running and walking because the wrap holds them in place and the polarization cuts glare. For high-sweat sports, a pair with rubber nose pads grips better.

How do they compare with premium sport sunglasses?

They cover the essentials, polarization, UV protection and a secure wrap, at a simpler build and lens quality. Premium pairs add sharper optics and interchangeable lenses.