No Nonsense womens Great Shapes All Over Shaping Tight, 3 Pair Pack Hosiery (pack of 3)

For young girls that are 5’4 do these fit well?

Sizing choice is a b c d ; size chart does not match this. what???? there is no size description for a b c d so how do you tell what size to order?

I'm 5'3", weigh 106 lbs, should I get an A?

Is there a cotton gusset?