Men: if embarrassed by improperly-dressed women, blindfold yourself!
Let's look at a few case studies, and see what the answer is.
RIGHT! These costumes show dignity, modesty, and above all practicality. If you're in the habit of shaking a leg in church during Mass, then we can recommend nothing better.
WRONG! A lot of men are stimulated by the sight of women in uniform, and so seeing nuns in full regalia is often more than the soul can bear. Why can't these ladies dress like those wonderful "nuns on the bus", who, by clothing and teaching, are totally unrecognisable as nuns?
RIGHT! When I first saw the references to "yoga pants" I kept asking myself "Who is Yoga and why is he panting?" wondering whether this was something to do with Star Wars. However, these appear to be the sort of garment worn by ladies practising yoga. Now, Ignatian yoga is recommended by Fr James Martin LGBTSJ, and what else can you wear for this except Ignatian yoga pants?
WRONG! Mantillas merely stress the femininity of the wearer, as men would not be seen dead in them. Until we develop a new unisex mantilla that can be worn by men and women alike, we must not allow women to emphasise their fleecy assets! Also, they are RIGID.
RIGHT! I got this from someone called @LizziesaAnswers, a recent convert, who with only a year's experience of Catholicism is already able to answer questions on any subject under the sun, including those that have baffled Augustine, Aquinas and Pope Francis! So she obviously knows how to dress.