Navy blue high rise Lululemon leggings

Navy blue high-rise Lululemon leggings with mesh detailing not sure of what type of Lululemon’s these are only flaws are minor pilling in crotch area not seen when being worn and also in the last two pictures there is a white mark on each of the legs on the thighs I’m not sure what this is I bought these leggings from another posher and they didn’t fit me correctly