Wearing socks or stockings, but not shoes, as in I got locked out of the house in my stocking feet. [First half of 1800s]
Examples from the Web for stocking feet
He came shuffling in in his stocking-feet, and when he saw me he gave a kind of groan.Hildegarde's Holiday|Laura E. Richards
All were barefoot or in their stocking-feet except the Gruicowar, who occupied a bench, or platform, at one side.Across India|Oliver Optic
Cheverel is a skin that will stretch so that after one wearing you may not tell the thumbs from stocking-feet.The Fifth Queen|Ford Madox Ford
They did mischief very nicely, all quietly in their stocking-feet.
In his stocking-feet he had no great difficulty walking up the first bulge of the walls.The Rainbow Trail|Zane Grey