The frame size is large, I have a bigger face and the fit is great. I'm very happy with these sunglasses, the polarized feature is just right and they are light and very comfortable. I actually ordered two more pair.
Size fits large. I have a big head. A lot of sunglasses are too narrow for me. This fit perfectly-I actually went back and bought a second pair for a back-up
I have a very large head and these fit very nicely.
According to the product specs tab:
Frame fit: Large
Lens coverage: Medium
Temple to temple: 5-1/4"