Maybe he wears rock style socks under his boots.
blue
l.m montgomery,s favorite color is blue because she used to knit blue socks once she knitted a pair for her son and ever since her favorite color was blue
santas favorite color is red that's why his coat is red but it is also red because he wont be hard to see in a big storm
Magnolia Magnolia
BlAu
Santa's favorite thing is watching the reaction of the little kids when they open their presents.
red socks
he wears white socks
his favourite elf is the sleigh repairman
He wears white socks
The color of the socks from the Johnny's for Babies is a variety that is not specified.
socks