Ugg moccasins? helppppppppp!?

Ok so I'm ordering a pair of the Ugg moccasin slippers. The thing is, I'm not sure what size to get. I'm a size 10 in the tall clic boots and a size 11 in the short ones. Idk what size to get in the moccasins! Someone help a girl outttt? <3 :)