2 and 4 have there toes built as though they trying to bend the the toes around. I do not know why most shoes are designed to change your natural feet form. And cowboy boots and some of the ladies shoes act like they are trying to change the look of the feet and toes. It has caused some feet to be really fucked up.
To each his own. But I have several different colors of the #3's. Them shits are comfortable and perfect for our winters here when I don't wanna wear boots.