I’m still not entirely sure whether the question is meant to ask what women as an entire gender tend to find attractive, or what I as a woman personally find attractive, but this seems like a fun question so I’ll take a stab at it.
In terms of women as a gender, I think waxwinged got it exactly right: “Good grooming- clean clothing/shoes with no obvious rips, neatly trimmed facial/scalp hair, lack of body odor.” The only thing I really have to add to that is that the clothes should also fit well. I think it’s also a pretty universal sentiment that flab a turn-off. (Not saying you can’t have any fat, but there’s a difference between a slight paunch and a gut you can cradle in your hands, and I have never heard a woman say she likes a good gut on a man.)
In terms of my personal preferences: I like tons and tons of muscle. Like Brock Lesnar muscles. I like the hair to be kept short, I like light-colored eyes, no mustaches, no beards (unless you do a good job of keeping them trim – those ones are okay), unruly eyebrows should be waxed (i.e., no unibrows), clear complexions, broad chest/shoulders, in general a kind of big frame, stomach doesn’t need to be perfectly flat but it at least shouldn’t hang down, visible separation and elevation of the pec muscles, thighs and calves should be proportional in size to the upper body (i.e., no chicken legs with a beastly upper body). I like tattoos, though of course bad artwork is bad artwork. I don’t like glasses on a guy, I like a hairless chest and back, I don’t like when men wear sandals, I don’t like when men wear wrinkled clothes. A lot of cologne is a turn-off, but just a hint of it is a turn-on.
But of course, the above paragraph is about physical appearance, and in reality, the way a man carries himself can make him much more or less attractive. I like a guy who looks friendly and comfortable with himself, but also kind. The sort of man who has a swagger and a domineering posture is not attractive (which unfortunately is many of the hugely muscular guys who physically look wonderful). Hunched shoulders and avoiding eye contact is also a turn-off; talking about one’s self too much or attempting to control a conversation is a turn-off. Awareness to his surroundings, and acts of courtesy such as holding open doors, saying excuse me, and not pushing in front of other people to reach stuff is attractive.