But what about size?

 Size  is really hard to determine when it comes to newborns since they can range from 5 to 10 pounds.  This little one, Ruby Pearl, is 21 " long and is wearing a size SMALL soaker.  

As you can see she has a lot of room. 

The nice thing about knitted garments is they stretch and as you will see, a lot. 

I make all of my soakers with an added 1" in the length of the waist/rise. 

Nothing is worse than having a diaper leak upward because
 the soaker doesn't cover the diaper.

Now, here's where the stretch comes in. 

 The soaker on the left was worn by Ruby 

and it stretch to the shape and size of her tummy BUT is was still snug 

and didn't slide off YET can stretch even more. 

The green soaker on the right hasn't been worn at all and 

you can see how narrow the neck of the cover is. 

Washing baby's soaker will return it to the pre stretched shape. 

My colored soakers have the properties of wool with minimal lanolin left in 

them so will need to be lanolin at first or second washing. 

 Lanolizing isn't difficult.  I found that Lansinoh makes a nice lanolin that you 

can pick up at any of the large box stores and for those who needs 

help there are many wonderful You Tube videos to show you how. 

 Ethan earning his keep with a watchful eye over a stake of soakers.