Very, very similar to Lulu Lemon WunderUnder material for fraction of the cost. Material is not see through. 5'10" 160 lbs and a medium fits great. Plenty of length at bottom. Only complaint: Wish they were a little more on the mid-rise side
I love this legging because it is one of the only black leggings I have found that is not see-through! It runs a little small though, so size up. I've lived in it my entire pregnancy and plan to wear it post pregnancy as well!