Vanity FairWomen's Shaping Cami with Built in Bra, Tummy Control Shapewear Camisole Tops for Women

Do these make a swish swish sound as you walk when thighs rub together? or are they silky and glide with you?

Is the fit strong compression, or does the fit have a somewhat billowy give to them?

What fabric are they?

Is this waistband comfortable (large or tight?)?