Focus on fit and comfort, frame size, and the lens setup—whether you want classic round metal frames or the flat-lens RB3447N variant to change the silhouette.

Key attributes are frame color/finish (gold-tone metal), lens type (round metal vs flat lenses), and lens features such as tint, polarization, and UV protection, plus how well they fit your face.

Polarized options exist for RB3447/RB3447N variants; check the product specs to confirm lens type and glare reduction.

For a timeless look, choose the classic round metal RB3447; for a subtler silhouette and potentially different glare control, try the flat-lens RB3447N. If glare reduction is important, consider a polarized version.