Nothing but satisfaction from DogFunk. This is my second pair of Kickstand shades and I have found them to be the best pair of sunglasses I have owned. Good quality, laid back style shades. Not that I have a head measurer, but I would venture to say that I have a medium head and they fit just right...I've tried other brands but I'd say VonZipper is a step above the rest. The glasses are light too.