I have no idea. They look too thick to be jellies. My feet just hurt thinking about putting them into something like that. They're so narrow. I can see toes all scrunched up.
I acutally had (and still have) a huge crush on these Balaciegas:
I must admit, I read VOGUE in a flannel shirt and bare feet every month. Religously! It's supposed to be a fantasy right? Because I'm never gonna make it a reality! Too expensive/uncomfortable! Poor girls...
Every morning I ask her if she "climbed any sidewalks last night". I give her about a month before those things wind up in her closet along with her Shape-ups and Abmaster.