"Fitted cloth diapers? Those weren't in late 60's, were they?"
Late sixties - that was a few years after I had just gotten out of diapers myself; I wouldn't know. 1999 was the year I had to think about diapers again. First we used regular cotton diapers. The type you fold over into a triangle and secure with a safety pin. Then, during a trip, I happened upon a woman who was selling fitted diapers with bio-degradable and highly absorbent bamboo fibre stuffing and moisture proof outer lining all in one. They werent' size adjustable at that time and I bought a few of different sizes and used them in conjunction with regular cloth diapers. In 2003 and, again, in 2009, there was need for more diapers and, that time, I invested heavily in the fitted form which had evolved into an even better product.