In literature descriptions of womens bodies are detailed for male stimulation. Men only need to use the energy to copulate. The fact that people are attracted to different people shows the variety in reproductive value. However there is a mean attractiveness value. Most men will find most women attractive but this is not true true the other way round for the reasons outlined above.
Health is an important attractiveness value - a clear complexion and cleanliness.
This is particularly true for men where as women are more likely to find status and wealth attractive. Men are attracted to women within a certain age range - roughly those that are able to reproduce. However the younger a woman is, the more of her potential reproductivity can be used by a man. There is also less likelyhood that another male will have impregnated her. The desire for sexual variety Males will enhance reproductive success if they have children by as many women as possible.