Tech Needs Women So if you are a woman, how do you design the perfect underwear for a man? I mean you could collect some data on average sizes of um … content. You could ask some men that you know about the common challenges for their current underwear. You could survey men with questions about comfort of fabrics, movement, durability, etc. No matter how much data you gather, you as a woman, will never be able to fully understand exactly what it is like to use the product you produce as a man.