only some....
Horse riders wear spurs to make the horse go faster (Foot Item)
I don't know what you mean by "better to not wear tights". It's actually better to wear tights, it looks much more professional and clean. Another reason to wear tights is because if you are wearing pointe shoes that are just a bit too small and you are not wearing tights, you could get blisters around the back or your heel. If you are talking about modern dance, it is just a mandatory thing to not wear tights sometimes.
Hasidim do not wear white tights.
In UK a motorcyclist must wear a helmet - not sure about cyclists or horse riders
Tights.
In most cases guys do not wear tights. They might wear them for sports, costumes or dance. But on a social level we dress women and girls in tights. Guys aren’t supposed to wear tights on a regular basis. Society prefers gals wear the tights.
"les collants"
there half chaps. ridders use them so they don't get rubs on there legs.
Some women wear underwear under tights and some do not. Tights are made to be worn without underwear, but many people do still wear them.
Yes you can wear tights with Skirts - Im male and wearing tights and mini skirt that very cool as still as unisex clothes... no law agaisnt men wear skirt or dress or tights as it still allow to wear - feel free to wear what you like
A saddle.
no