I got this product in a medium and a large because I was unsure and they were really cheap! I really don't know what size my normal size is anymore...According to the weight/size chart I needed a L, which is definirely accurate. I am 5' 4" and my waist is about 35 inches and my butt is bigger than that...Anyways, I love both sizes!!
The medium is a comforting snug fit. The large is a good/sort of loose fit.
Both size work for me! The medium is good for exercising and the large for sleeping!