When I notice a guy from far away I look at height, shoulders and how he presents himself in general. Does he look comfortable and confident?
Up close, the first thing would be his smile. Clean white teeth, a smile that reaches his eyes, hopefully a few little laugh lines around his eyes (that shows me he laughs and smiles a lot.) I would say their chest, arms and hands come next. If I walk up behind them I like to see a play of muscles underneath their shirt as they reach for something. I do not mean a muscle bound God, I mean just a nice build in general, I want to know that he takes care of himself. On to the hands, I like to paint and draw so this is always an area of fascination for me. Let's not forget fingernails. I abhore dirty fingernails, but I'm not really interested in a manicure guy either, because more than likely he is not going to get dirty with me. I like a general neat appearance, clean, but I could care less where his clothes come from. OH and the next most important thing is where are his eyes while talking to me!