Things I liked:A comfortable frame with good arm length(s). My head is 24 inches in circumference and these are the first set of glasses I have had that allows snug fit without temple pain. Things I would have changed:Nothing, but if one is prone to being more... shall we say, demanding, then let the consumer know the breadth of dimensions for skull and face fit. What others should know:As a retired industrial mechanic I know how important and beneficial personal protective equipment (PPE) is when "it" stops an accident from occurring. That being said, these meet all ANSI Z87+ & CSA Z94.3 standards and that is top of the line protection.