A: Home Depot has 2 different ones the mod. #85915-16 non-polarized the # 85945-16 is polarized.
A: No idea - you might try the online catalog to see if they have a product description for this SKU#. They seem to work fine in the Florida sun, so I'm not really worried about it.
A: Yes they are polarized. They are really nice glasses.
A: These glasses are not polarized, but Home Depot also carries a different pair designed the same way that are polarized for $2.00 more.