I have an L. Rose lycra trumpet skirt in turquoise, and can confirm the material is very substantial and not thin at all. My butt and thighs are cellulite city, and the lycra does just as good a job at smoothing me out as the velvet ones do. It's a bit tighter than the velvet, so you might want to go a skootch larger in the hips or it may ride up a bit.
Here's a picture of me in the turquoise, and there are others in the photo gallery on my website.
