I just bought these socks for my 2nd born daughter because my oldest daughter worn her set to death!  They are adorable and I have had no issues with them falling apart.  Just the contrary to some of the other reviews - the sneaker looking style my eldest had in 0-12 month size held their color and never looked worn.  Lets face it - but much walking do they really do at 12 months!  The washer/dryer did not harm them.  I will also say that the elastic held up really well.  One of the things I like most about these socks is that they stay on.  So many socks are either too tight or slip right off.

Maybe the site changed - but the description clearly says 0-6 months.  Anyone who had bought baby clothes before knows that you go by the second size (i.e. 0-3 months means it won't fit a newborn!)

If I find anything different about these socks - I will update my review.