All-nighter nightwear

The all-nighter nightwear is a piece of clothing

Background
Lug-Nut had two of these specially made in Virginia by "The Tailor," according to Lag-Bolt's note. Its counterpart clothing is the naughty nightwear.

Location
The item can be obtained during The Sorrowful Suitor quest, in a suitcase in La Maison Beauregard.