Quickly flip up and down in an instant.
Polarised allows you to see into the true water because reflections are blocked/filtered out.
UVW400 Protection for your eyes.
Color: Black, Brown, gray, yellow, blue, green.
Attaches to the brim of your hat (hat not included) & folds up
Even if you wear prescription glasses, these can flip down in front of them
1 lens and clip. (Cap not included)