Are Mutts all Quick Dry?

I have NB Mutt that has an internal soaker...

I think they come or at least used to both ways. My newborn mutts are lay in, my size mediums are snap in trifolds, and the new size 2 I got has a snap-in trifold also. I remember seeing some internal in her store at some point in the past though, but never bought any as I don't do internal soakers.

I thought it's the one size mutts that are quick dry and the sized have internal soakers?

they offer both ways. i have owned at least one of all their diaper styles (onesized, newborn, and the two sized dipes), some have had internal soakers and some have had snap-in trifold soakers. At the moment I only have the 2-sized variety; in my stash pix you'll see a natural colored one which has the internal soaker and a red one which has a snap-in trifold soaker.
hth
ali