This Newborn Santa Set Pattern includes:

Photos
Notes/Tips
Materials needed
Pattern for Santa Hat (Can fit probably up to 3 months)
Pattern for Pants

Materials:
Worsted weight yarn in red, black, and a small amount of yellow or gold
Bulky weight yarn in white (I suggest Bernat baby blanket or pipsqueeks)
Pom pom maker (optional)

This has been tested by some awesome ladies :)