Actually you are right...
now, I've found this fabric, in Italy, called "lana cotta", it's not felt, Its a kind of totally genuine wool fabric very similar in the aspect to Antron fleece, but more matte (less shiny, I mean) and it also is elastic enough. the only problem is it's cost, but it's cheaper then buy antron fleece in U.S.A. from Italy for me.
I'll try this "LANA COTTA" fabric...