As always my view on jammies is unpopular. With an inside dog in a heated house the please the owner more than the dog.
Your dog was probably raised in Oklahoma or Kansas in an outside run with a baby pool in the summer and a communal dog house filled with straw in the winter. He grew, thrived and did just fine in snow and 100 degree heat. Then he's adopted and turns into a fashion model and glass figurine that needs jammies in a heated house
"I roamed free the deserts and hills in the time before Christ.
Where were my jammies then?
I waited 20 long years for my master to return from his Odyssey.
Where were my jammies then?
I followed Caesar when he conquered cold, wet Gaul.
Where were my jammies then?
I hunted bear, bull, stag and men for my lord in the manor.
Where were my jammies then?
I was the first of my kind to see the Pacific Ocean.
Where were my jammies then?
I saw Yellow Hair meet his end at the Little Big Horn.
Where were my jammies then?
I chased Coyote and Jack Rabbit across the rolling Great Plains.
Where were my jammies then?
I snuggled in straw through long, cold nights on the farm. The next morning I ran like the wind after the lure.
Where were my jammies then?
I am a fierce predator and competitor. No one is faster than me.
Where are my jammies?"
- Credit to Donna and Brett Weeks